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Regulation of morphogenesis and pathogenicity by OsMep2, OsCph1, and OsPes1 in dimorphic entomopathogenic fungus Ophiocordyceps sinensis (Hypocreales: Ophiocordycipitaceae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-25 Guiqing Liu, Xuehong Zheng, Li Cao, Richou Han
Polarized growth plays a key role in all domains of their biology, including morphogenesis and pathogenicity of filamentous fungi. However, little information is available about the determinants of polarized growth. The fungal Mep2, Pes1, and Cph1 proteins were identified to be involved in the dimorphic transition between yeast and hyphal forms in Candida albicans. In this study, evidence that the
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Evaluating the use of common grasses by the wheat stem sawfly (Hymenoptera: Cephidae) and its native parasitoids in rangeland and Conservation Reserve Program grasslands J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-23 Tatyana A Rand, Robert R Kula, John F Gaskin
The wheat stem sawfly, Cephus cinctus Norton (Hymenoptera: Cephidae), is a major pest of wheat (Triticum aestivum L., Poales: Poaceae) across the northern Great Plains of North America. Cephus cinctus has a wide host range, attacking numerous wild grasses and cultivated cereals in crop and grassland habitats, where it is, in turn, attacked by 2 native braconid parasitoids. Quantitative assessments
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Seasonal population fluctuation and life history in different temperatures of Myzus cerasi (Hemiptera: Aphididae) on cherry trees: a field and laboratory study J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-22 Şahin Kök, İsmail Kasap
This study determined the seasonal population fluctuation of Myzus cerasi (Fabricius) (Hemiptera: Aphididae) in cherry orchards and the effect of different temperatures on the life-history parameters of these aphids under laboratory conditions. Our field results showed that the population fluctuations and densities of M. cerasi on cherry trees were positively affected by the temperature increase between
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Rearing methods of four insect species intended as feed, food, and food ingredients: a review J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-19 Juan A Morales-Ramos, Jeffery K Tomberlin, Chelsea Miranda, M. Guadalupe Rojas
Over the past 2 decades, the potential of insects as food and feed has been recognized globally. Insects as feed ingredients can improve sustainability because of their lower greenhouse gas emissions and their potential to transform organic wastes into high-quality feed rich in nutrients. However, currently, the practical use of insects as food or feed is limited by the high costs of insect production
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Study on the prediction method of grasshopper occurrence risk in Inner Mongolia based on the maximum entropy model during the growing period J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-17 Fu Wen, Ronghao Liu, Axel Garcia y Garcia, Huichun Ye, Longhui Lu, Eerdeng Qimuge, Zhongxiang Sun, Chaojia Nie, Xuemei Han, Yue Zhang
Grasshoppers represent a significant biological challenge in Inner Mongolia’s grasslands, severely affecting the region’s animal husbandry. Thus, dynamic monitoring of grasshopper infestation risk is crucial for sustainable livestock farming. This study employed the Maxent model, along with remote sensing data, to forecast Oedaleus decorus asiaticus occurrence during the growing season, using grasshopper
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Providing rigor in bee colony strength auditing methods J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-05 Daniel Cook, Caroline Hauxwell
The primary method used to audit honey bee (Apis mellifera Linnaeus, 1758 [Hymenoptera: Apidae]) colony strength for almond pollination services, Nasr et al.’s (1990) frame-top cluster count method, is a subjective visual audit that relies on an auditor’s spot assessment and may lack rigor and repeatability. We created novel, open-source software for the analysis of frame-top cluster count photographic
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Diel flight activity in response to attractants in the predatory beetle, Cathartus quadricollis (Coleoptera: Silvanidae) in macadamia nut in Hawaii J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-04 Angelita Acebes-Doria, Lindsey J Hamilton, Peter A Follett
The diel flight activity in Cathartus quadricollis (Guerin-Meneville) (Coleoptera: Silvanidae), a predator of two important pests in Hawaii, coffee berry borer, Hypothenemus hampei (Ferrari) and tropical nut borer, Hypothenemus obscurus (F.) (Coleoptera: Curculionidae: Scolytinae) was studied in a macadamia nut orchard using yellow sticky traps baited with pheromone and fungal volatile attractants
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Efficient agri-food waste valorization using mealworm (Coleoptera: Tenebrionidae) into nutrient-rich biomass for food and feed J. Econ. Entomol. (IF 2.2) Pub Date : 2024-03-02 John P Musembi, Eunice A Owino, Florence A Oyieke, Chrysantus M Tanga, Dennis Beesigamukama, Sevgan Subramanian, Xavier Cheseto, James P Egonyu
The utilization of yellow mealworm, Tenebrio molitor (Linnaeus, Coleoptera: Tenebrionidae), for food and feed is gaining interest globally. However, its production is hindered by expensive commercial diets. This study assessed mealworm growth performance, survival, bioconversion, and nutritional composition when fed on wheat bran (WB) with different inclusion levels (25%, 50%, 75%, and 100%) of Irish
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Efficacy of long-lasting insecticide-incorporated nets on 2 scolytinae pests, the coffee berry borer Hypothenemus hampei and tropical nut borer Hypothenemus obscurus under laboratory conditions J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-27 Pascal Aigbedion-Atalor, Nathalie de Rocquigny, Angelita Acebes-Doria
Several pests affect coffee (Coffea spp., Rubiaceae) and macadamia, Macadamia integrifolia Maiden & Betche (Proteaceae) in Hawaii. The coffee berry borer, Hypothenemus hampei (Ferrari) (Coleoptera: Curculionidae: Scolytinae), is the most damaging to coffee, while the tropical nut borer, Hypothenemus obscurus (Fabricius) (Coleoptera: Curculionidae: Scolytinae), is one of the worst pests of macadamia
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Bacterial proximity effects on the transfer of antibiotic resistance genes within the alimentary tract of yellow mealworm larvae J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-27 Tawni L Crippen, John P Sullivan, Robin C Anderson
The arthropod intestinal tract and other anatomical parts naturally carry microorganisms. Some of which are pathogens, secrete toxins, or carry transferable antibiotic-resistance genes. The risks associated with the production and consumption of edible arthropods are dependent on indigenous microbes, as well as microbes introduced during the processes of rearing. This mass arthropod production puts
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Control effect and field application of four predatory Orius species on Megalurothrips usitatus (Thysanoptera: Thripidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-26 Xiaoyan Dai, Ruijuan Wang, Yan Liu, Long Su, Zhenjuan Yin, Mingfei Wu, Hao Chen, Li Zheng, Yifan Zhai
Megalurothrips usitatus (Bagrall) is one of the most important pests of cowpea, Vigna unguiculata (Linn.) Walp in South China. Four Orius species, including Orius minutus (L.), Orius nagaii (Yasunaga), Orius sauteri (Poppius), and Orius strigicollis (Poppius), have been commercially produced and widely used as natural enemies of pests in China. In this study, we evaluated the control efficiency of
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Understanding the onion aphid Neotoxoptera formosana’s (Hemiptera: Aphididae) interaction with Allium (Asparagales: Amaryllidaceae) crops: a comprehensive study of feeding patterns and life history traits J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-26 Long Zhang, Haiyan Zhang, Keshi Zhang, Yaoguo Qin, Maofa Yang, Jianfeng Liu
The onion aphid, Neotoxoptera formosana, poses a significant threat to Allium crops worldwide, causing considerable economic losses and quality degradation. To develop effective pest management strategies, it is crucial to understand the feeding behavior and life history of this pest on different Allium crops. In this study, the electrical penetration graph (EPG) technique was used to monitor the thorn-feeding
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Estimate of the revenue and economic contribution of the professional pest management industry in Georgia, United States J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-25 Jacob L Winkles, Benjamin L Campbell, Brian T Forschler
The Professional Pest Management Industry (PPMI) dates back over a century in the United States. Stakeholder calls for economic studies of the PPMI include, in the 1980s, the National Research Council, although there has been little to no progress on that topic. US Census and Bureau of Labor Statistics data indicate that revenue and employment for the PPMI in Georgia increased 117% from 1997 to 2021
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Doxycycline is a viable alternative to tetracycline for use in insect Tet-Off transgenic sexing systems, as assessed in the blowflies Cochliomyia hominivorax and Lucilia cuprina (Diptera: Calliphoridae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-24 Alex P Arp, Megan E Williamson, Mario Vasquez, Gladys Quintero, Aidamalia Vargas Lowman, Agustin Sagel, Maxwell J Scott
Transgenic insect strains with tetracycline repressible (Tet-Off) female-lethal genes provide significant advantages over traditional sterile insect techniques for insect population control, such as reduced diet and labor costs and more efficient population suppression. Tet-Off systems are suppressed by tetracycline-class antibiotics, most commonly tetracycline (Tc) or doxycycline (Dox), allowing for
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Seedcorn maggot response to planting date, cover crops, and tillage in organic cropping systems J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-21 Karly H Regan, Christina A Voortman, Mary E Barbercheck
Seedcorn maggot, Delia platura (Meigen) (Diptera: Anthomyiidae), is an economically important early-season pest of corn and soybean in the United States. Adult seedcorn maggot is attracted to decomposing plant residues for oviposition, creating potential management issues where growers typically use tillage to incorporate fertility amendments and to create a seedbed. The use of growing degree-day models
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Evaluating Acheta domesticus (Orthoptera: Gryllidae) for the reduction of fumonisin B1 levels in livestock feed J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-21 Ryan T Paulk, Hamed K Abbas, M Guadalupe Rojas, Juan Morales-Ramos, Mark Busman, Nathan Little, W Thomas Shier
Mycotoxins that contaminate grain can cause the devaluation of agricultural products and create health risks for the consumer. Fumonisins are one such mycotoxin. Produced primarily by Fusarium verticillioides (Hypocreales: Nectriaceae) (Nirenberg, 1976) on corn, fumonisins’ economic impact can be significant by causing various diseases in livestock if contaminated corn is not monitored and removed
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Characterization of Spodoptera littoralis (Lepidoptera: Noctuidae) resistance to indoxacarb: inheritance mode, realized heritability, and fitness costs J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-20 El-Sayed M S Mokbel, Moataz A M Moustafa, Nawal Abdulaziz Alfuhaid, Eman A Fouad
Spodoptera littoralis (Boisd.) (Lepidoptera: Noctuidae) is a major economic pest attacking a variety of crops in Egypt and other Mediterranean countries. S. littoralis has developed resistance to both traditional and novel insecticides. The current study investigated S. littoralis resistance to indoxacarb regarding inheritance mode, realized heritability (h2), and fitness costs. An indoxacarb-resistant
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Meta-analytic and MaxEnt model prediction, the distribution of the Bactrocera minax (Diptera: Tephritidae), in China under changing climate J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-19 Hongjun Yang, Xu Huang, Yuchuan Yang, Rulin Wang, Danping Xu
The Tephritidae family causes damage to fruits in tropical and subtropical regions around the world, with Bactrocera minax Enderlein (Diptera: Tephritidae) widely distributed in China, causing severe economic damage to Chinese citrus. Currently, preventing the rapid spread of B. minax remains an effective strategy to control it as the climate continues to warm in the future. In this context, it is
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A novel insecticide, isocycloseram, shows promise as an alternative to chlorpyrifos against a direct pest of peanut, Diabrotica undecimpunctata howardi (Coleoptera: Chrysomelidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-02-17 Kyle M Bekelja, Sean Malone, Victor Mascarenhas, Sally Taylor
Larvae of the southern corn rootworm (SCR) Diabrotica undecimpunctata howardi Barber (Coleoptera: Chrysomelidae) are primary pests of peanut in the Virginia-Carolina region of the United States, and are relatively sporadic pests in southern states such as Georgia, Alabama, and Florida. Peanuts have strict quality standards which, when they are not met, can diminish crop value by more than 65%. Management
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The mitochondrial genome and life history of Tomostethus sinofraxini (Hymenoptera: Tenthredinidae), an emerging pest of Fraxinus chinensis J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-30 Qinghua Wang, Yunfei Wu, Austin Merchant, Enjie Li, Meicai Wei, Yongan Zhang, Xuguo Zhou
Tomostethus sinofraxini Wang & Wei (a new name is proposed for Tomostethus fraxini Niu & Wei, 2022: Tomostethus sinofraxini Wang & Wei, nom. nov.), an emerging sawfly pest of the Chinese ash, Fraxinus chinensis, is now endemic to Beijing, Tianjin, Hebei, and Shandong provinces. Given the severity of its infestation and the speed of its range expansion, we studied the phylogenetic relationship of T
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Developmental exposure to hormone-mimicking insect growth disruptors alters expression of endocrine-related genes in worker honey bee (Hymenoptera: Apidae) brains and hypopharyngeal glands J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-30 Eliza M Litsey, Julia D Fine
Division of labor within a honey bee colony creates a codependence between bees performing different tasks. The most obvious example of this is between the reproductive queen and worker bees. Queen bees lay 1,000 or more eggs a day, while young worker bees tend and feed queens. Young workers and queens can be exposed to pesticides when foragers return to the hive with contaminated resources. Previous
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Predicting the potential distribution of the Pheidole megacephala in light of present and future climate variations J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-30 Zengyuan Ke, Mengfei Mao, Bamisope Steve Bamisile, Zhiqiang Li, Yijuan Xu
The big-headed ant, Pheidole megacephala (Fabricius), has a widespread distribution across numerous regions globally. The International Union for Conservation of Nature (IUCN) has identified it as one of the 100 worst invasive alien species worldwide, given the severe ecological and economic harm it causes in invaded areas. In this study, we predicted the present and future global distribution of P
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Field-evolved pyrethroid resistance in Tychius picirostris (Coleoptera: Curculionidae) populations in Oregon white clover seed crops J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-29 Grace Tiwari, Navneet Kaur, Nicole P Anderson, K Christy Tanner, Danielle M Lightle, Alison R Willette, Jennifer K Otani, Amanda M Jorgensen, Calvin Yoder, Seth J Dorman
The clover seed weevil, Tychius picirostris Fabricius, a serious pest of white clover, Trifolium repens L., grown for seed in western Oregon, causing feeding damage to flowers and developing seeds. Since 2017, white clover seed producers have anecdotally reported T. picirostris control failures using foliar pyrethroid insecticide applications. This mode of action (MoA) is an important chemical control
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Chronic exposure to polytetrafluoroethylene microplastics caused sex-specific effects in the model insect, Drosophila melanogaster (Diptera: Drosophilidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-27 Hui Jin, Yifan Xu, Fanhao Kong, Jie Shen
Microplastics (MPs) have become a prominent environmental concern due to their ubiquity in various ecosystems and widespread distribution through multiple channels. In this study, the oral effects of 2,000 mesh polytetrafluoroethylene (PTFE) microplastics were tested against Drosophila melanogaster (Meigen), at concentrations of 0, 0.1, 1, 10, and 20. After exposure to a microplastic-containing medium
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Evaluation of fumigant toxicity of cyclohexanone to 5 species of insect pests J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-24 Yong-Biao Liu
Cyclohexanone is a major precursor for nylon production and is also used as a pesticide solvent. In this study, cyclohexanone was evaluated as a fumigant against rice weevil adults, confused flour beetle adults, western flower thrips larvae and adults, spotted wing drosophila adults, and subterranean termite workers. Cyclohexanone fumigation was effective against all 5 insects, and there were considerable
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Nonsteaming method improves the nutritional value and utilization efficiency of silkworm artificial diets J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-24 Guang Wang, Xiang-Xing Xu, Lu Ma, Jia-Meng Yang, Bao-Cheng Yang, Ru-Ji Peng, Zhong-Hua Pan, Yang-Hu Sima, Shi-Qing Xu
Artificial diets for silkworms overcome the seasonal limitations of traditional rearing methods with fresh mulberry leaves. However, the current wet artificial diets, steamed at high temperatures, are not favored by silkworms, and they are cumbersome and challenging to preserve. These conditions adversely affected the development of artificial diet-based sericulture production. In this study, we disinfected
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Effects of nonnutritive sugar inclusion in laboratory diets and attracticidal spheres on survivorship and mobility of 2 Dipteran species, Rhagoletis pomonella (Diptera: Tephritidae) and Drosophila suzukii (Diptera: Drosophilidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-24 Laura J Nixon, Morgan Douglas, Aya Ibrahim, Sharon Jones, Jaime C Piñero, Tracy C Leskey
Native apple maggot fly, Rhagoletis pomonella, and invasive spotted-wing drosophila, Drosophila suzukii, are key pests of apple and small fruit, respectively, in the United States. Both species are typically managed with standard insecticide applications. However, interest in alternative strategies that result in insecticide reductions has led to evaluations of nonnutritive sugars as toxicants for
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An 18-day, 3 °C cold treatment effectively kills Ceratitis capitata (Diptera: Tephritidae) in kiwifruit (Actinidia spp.) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-24 Samuel D J Brown, André M Bellvé, Karina Santos, Cristian E Baldassarre, Emma Mansfield, Vineeta Bilgi, Elodie M G Urlacher, Jessica C Devitt, Lisa E Jamieson
A series of experiments were carried out to develop a phytosanitary disinfestation protocol to kill Ceratitis capitata (Weidemann) (Mediterranean fruit fly, Diptera: Tephritidae) in ‘Hayward’ kiwifruit (Actinidia deliciosa (A. Chev.) C.F. Liang and A.R. Ferguson) and ‘Zesy002’ kiwifruit (Actinidia chinensis Planch.). Experiments on 4 immature life stages (eggs and 3 larval instars) with treatment durations
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Hessian fly (Diptera: Cecidomyiidae) virulence in Louisiana: assessment of field populations from 2023 to efficacy of 27 Hessian fly resistance genes in wheat J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-23 Brandon J Schemerhorn, Sue E Cambron, Subhashree Subramanyam
The Hessian fly, Mayetiola destructor (Say), is one of the most important insect pest plaguing wheat (Triticum aestivum, L) producers across the United States and around the world. Genetic resistance is the stalwart for control of Hessian fly. However, new genotypes (biotypes) arise in deployment of wheat containing resistance genes, so field populations must be evaluated periodically to provide information
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Herbivore-induced plant volatiles emitted by citrus in response to spider mite infestation can attract predatory mites J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-23 Cancan Song, Die Chen, Chunxian Jiang, Chengcheng Li, Lin Chen, Rong Huang, Xian Wang, Jie Qin, Qing Li
Understanding the nutritional interplay among plants, pests, and natural enemies is essential for sustainable pest management. Enhancing the efficiency of natural enemies, such as Neoseiulus californicus (McGregor) (Acari: Phytoseiidae) is critical, and exploiting herbivore-induced plant volatiles (HIPVs) offers a promising approach. However, N. californicus has rarely been reported to utilize HIPVs
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Stability evaluation of candidate reference genes for real-time qPCR normalization in Rhyzopertha dominica (Coleoptera: Bostrycidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-21 Dingrong Xue, Tongtong Chen, Yi Wu
Rhyzopertha dominica is a serious stored grain insect pest around the world. Real-time quantitative polymerase chain reaction (RT-qPCR) is a widely used experimental method in molecular biology for detecting the expression of target genes. As appropriate reference genes are essential for normalizing gene expression, the selection of suitable reference genes is the basis of RT-qPCR experiments. In this
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A fast and reliable larval sampling method for improving the monitoring of fruit flies in soft and stone fruits J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-19 Ghais Zriki, Rémy Belois, Christine Fournier, Léa Tergoat-Bertrand, Pierre-Yves Poupart, Amélie Bardel, Benjamin Gard, Nicolas O Rode
The spotted-wing drosophila, Drosophila suzukii (Matsumura) (Diptera: Drosophilidae), threatens both the soft-skinned and stone fruit industry in Asia, Europe, and America. Integrated pest management requires monitoring for infestation rates in real time. Although baited traps for adult D. suzukii are widely used for field monitoring, trap captures are weakly correlated to larval infestation rates
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Feeding behavior and life-history parameters of Therioaphis trifolii (Hemiptera: Aphididae) on 2 alfalfa cultivars J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-18 Xianmei Song, Xinpu Wang
Alfalfa, Medicago sativa, is a link connecting crop production and animal husbandry and plays a dominant role in the development of the livestock sector. The productivity of alfalfa is adversely affected by aphids’ feeding damage and their capacity to transmit viral plant pathogens. To increase alfalfa forage yield, it is imperative to control pest insects and use resistant varieties. The aim of this
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Delayed spinetoram application is useful in managing Scirtothrips dorsalis Hood (Thysanoptera: Thripidae) in Florida strawberry J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-16 Babu Ram Panthi, Justin M Renkema, Sriyanka Lahiri, Amr Abd-Elrahman, Oscar E Liburd
Scirtothrips dorsalis Hood (Thysanoptera: Thripidae) is an invasive, early-season pest of strawberry in Florida, causing feeding injury to young foliage that results in stunted plant growth and yield loss. Spinetoram, an effective insecticide for thrips pests with up to 3 applications per season permitted in strawberry, is often applied repeatedly during the early-season (Oct–Nov) to manage S. dorsalis
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Assessing the feasibility, safety, and nutritional quality of using wild-caught pest flies in animal feed J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-11 Kortnee Van Nest, Sabrina E Swistek, Morgan L Olmstead, Alina De La Mota-Peynado, Robert D Ewing, Daniel Brabec, Dana Mitzel, Brenda Oppert, Lee W Cohnstaedt, Phillip Shults
Studies have investigated the potential of using farmed insects in animal feeds; however, little research has been done using wild-caught insects for this purpose. Concerns about inadequate quantities collected, environmental impacts, and the spread of pathogens contribute to the preferred utilization of farmed insects. Nevertheless, by harvesting certain pest species from intensified agricultural
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Treatment of waxborne honey bee (Hymenoptera: Apidae) viruses using time, temperature, and electron-beam irradiation J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-11 Megan J Colwell, Stephen F Pernal, Robert W Currie
Viruses are one of many serious threats to honey bee (Apis mellifera L.) health. There are many transmission routes for honey bee viruses, and there is potential for wax comb to act as a reservoir for transmission of viruses. Some work has been done on treating viruses on wax, focusing on irradiation as a potential treatment. However, irradiation is not universally available or economically viable
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Courtship and mating behavior of Endoclita signifer (Hepialidae: Lepidoptera) and the male sex pheromones in hairbrushes J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-10 Xiao Chen, Xiaoyan Su, Zhisong Qiu, Yuan Xu, Zhende Yang, Ping Hu
Endoclita signifer Walker is the most destructive wood-boring pest of Eucalyptus in China, causing significant economic and ecological damage. As an insect of the primitive Lepidoptera family Hepialidae, E. signifer fly and mat for only 10−20 min at dusk. The courtship and mating behavior of E. signifer adults and whether male moths release sex pheromones are still unknown, especially since transitory
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Enzymatic activity and development of Frankliniella occidentalis (Thysanoptera: Thripidae) in response to exogenous calcium treatments of kidney bean plants J. Econ. Entomol. (IF 2.2) Pub Date : 2024-01-05 Xin-Yue Qiu, Wan-Qing Huang, Guang Zeng, Wen-Bo Yue, Chang-Yu Zhang, Jun-Rui Zhi
Frankliniella occidentalis Pergande (Thysanoptera: Thripidae) is an agricultural pest threatening various horticultural crops worldwide. Inducing plant resistance is an ecologically beneficial and potentially effective method for controlling F. occidentalis. As an essential nutrient element, exogenous calcium enhances plant-induced resistance. This study investigated the effects of CaCl2 on the secondary
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Genomic insight into the insecticidal potential of a new Pseudomonas chlororaphis isolate J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-26 Haitao Wang, Yali Zhang, Dadong Dai, Jinqiu Fu, Dae Sung Kim, Shengchun Li, Jiang Zhang, Yong Wang, Fengjuan Zhang
Pseudomonas fluorescens group, such as Pseudomonas protegens and Pseudomonas chlororaphis, can be utilized as insect-killing agents. Most insecticidal Pseudomonas described so far have high toxicity for insects of the order Lepidoptera. In this study, Pseudomonas strain PcR3-3 was isolated from the willow root. It showed a high mortality for the coleopteran species Plagiodera versicolora (Coleoptera:
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Insecticide-mediated changes in the population and toxicity of the thrips species, Frankliniella occidentalis (Pergande) and Thrips flavus (Schrank) (Thysanoptera: Thripidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-24 Ying Sun, Changxiong Hu, Guohua Chen, Xingxing Li, Jihuan Liu, Zhengwei Xu, Yang Zhou, Daohui Wu, Xiaoming Zhang
Frankliniella occidentalis (Pergande) and Thrips flavus (Schrank) (Thysanoptera: Thripidae) cause considerable damage to agricultural crops. In this study, we investigated the variations in the population density of these 2 thrips species in 2 sites (Dabai and Heilongtan) with different insecticide application levels. Bioassays were performed to determine the susceptibility of both thrips species to
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The effects of insecticide seed treatments on the parasitism and predation of Myzus persicae (Homoptera: Aphididae) in canola J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-24 Samantha E Ward, Ary A Hoffmann, Maarten Van Helden, Alex Slavenko, Paul A Umina
The green peach aphid, Myzus persicae (Sulzer) (Homoptera: Aphididae), is a major pest of brassica plants, with the ability to transmit > 100 viruses. Although the adoption of Integrated Pest Management is increasing, chemical treatment remains the predominant method used to control M. persicae globally. Insecticide seed treatments, typically with neonicotinoid active ingredients, have become commonplace
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Review of surveillance systems for tephritid fruit fly threats in Australia, New Zealand, and the United States J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-23 John M Kean, Nicholas C Manoukis, Bernie C Dominiak
Many countries conduct fruit fly surveillance but, while there are guidelines, practices vary widely. This review of some countries in the Pacific region demonstrates the diversity of fruit fly surveillance practices. All utilize 3 parapheromones—trimedlure, cuelure, and methyl eugenol—to trap adult male fruit flies. Some target species are not attracted to these compounds so other attractants such
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Supplementing honey bee (Hymenoptera: Apidae) colonies with pollen increases their pollinating activity on nectariferous crops with anthers isolated from stigmas J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-14 Stan Chabert, Nicolas Morison, Marie-Josée Buffière, Laurent Guilbaud, Céline Pleindoux, Géraud de Premorel, Philippe Royer, Marie Harruis, Bernard E Vaissière
The western honey bee (Apis mellifera L.) is the most globally used managed pollinator species, but it can have limited pollinating activity on nectariferous crops displaying anthers isolated from stigmas, i.e., when anthers are spatially or temporally separated from stigma within or between flowers. We supplemented honey bee colonies with pollen in the combs or in paste form laid on top of the hive
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Interbiotype hybridization between biotypes A and B of Liriomyza chinensis (Diptera: Agromyzidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-10 Chihiro Urairi, Satoshi Fujito
Liriomyza chinensis (Kato) is a formidable pest of Allium species, especially the Japanese bunching onion Allium fistulosum L. Recently, a novel biotype of L. chinensis (biotype B) has emerged, which causes more severe damage than the native biotype A. It has been reported that biotype B has frequently displaced biotype A in the Japanese bunching onion fields in Japan. As interbiotype hybridization
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2-Methoxybenzaldehyde effectively repels ants J. Econ. Entomol. (IF 2.2) Pub Date : 2023-12-09 Tomas Kay, Georges Siegenthaler, Timothy Kench, Laurent Keller
Ants can particularly make for harmful pests, infesting human homes and reducing crop yields. The damage caused by ants and the efforts to mitigate the damage are hugely costly. Broad-spectrum insecticides are used most commonly; however, due to their negative side effects, there is increasing interest in nontoxic alternatives. One promising commercially available alternative is 2-hydroxybenzaldehyde
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Trunk injection to control Xylosandrus germanus (Coleoptera: Curculionidae) in topworked apple trees J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-28 Celeste E Wheeler, Christine Vandervoort, John C Wise
Xylosandrus germanus (Blandford) is an invasive species of ambrosia beetle known to attack apple trees in North America. Xylosandrus germanus are attracted to ethanol produced by stressed and injured trees and can be a serious problem when grafting a new cultivar onto established fruit trees (topworking). The objective of this study was to evaluate the efficacy of 2 insecticides (emamectin benzoate
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Susceptibility of northern corn rootworm (Diabrotica barberi) populations to Cry3Bb1 and Gpp34/Tpp35Ab1 proteins in seedling and diet overlay toxicity assays J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-28 Adriano E Pereira, Man P Huynh, Kyle J Paddock, Ryan W Geisert, Veronica Calles Torrez, Janet J Knodel, Daniel J Moellenbeck, Jordan D Reinders, Lance J Meinke, Sharon K Schneider, Thomas A Coudron, Kent S Shelby, Bruce E Hibbard
The northern corn rootworm, Diabrotica barberi Smith & Lawrence (Coleoptera: Chrysomelidae) is a major pest of maize in the United States Corn Belt. Recently, resistance to Bacillus thuringiensis (Bt) maize was reported in North Dakota and increased use of Bt maize hybrids could facilitate resistance evolution in other maize-producing states. In this study, susceptibility to Bt proteins was evaluated
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Exogenous salicylic acid induces defense responses in tea plants against Toxoptera aurantii (Hemiptera: Aphididae) J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-28 Wenbin Jiang, Changhao Lu, Jinjuan Fan, Mengyang Wu, Wenlong Chen, Degang Zhao, Suzhen Niu, Yingqin He
Toxoptera aurantii is one of the most destructive pests, threatening the yield and quality of tea plantations. The salicylic acid (SA)-mediated signaling pathway is vital for the induction of plant defense responses; however, its role in tea plant resistance to T. aurantii remains unclear. Thus, this study used and electrical penetration graph and monitoring of population dynamics to evaluate the effects
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Alfalfa weevils (Coleoptera: Curculionidae) in the western United States are resistant to multiple type II pyrethroid insecticides J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-26 Erika A Rodbell, Christopher G Caron, Silvia I Rondon, M Umer Masood, Kevin W Wanner
The alfalfa weevil (Hypera postica Gyllenhal (Coleoptera: Curculionidae)), a key pest of alfalfa (Medicago sativa L. (Fabales: Fabacae)) across the US, has developed resistance to pyrethroids lambda-cyhalothrin and zeta-cypermethrin in at least 6 western US states. Unfortunately, 6 pyrethroid active ingredients represent most commercial insecticides registered for alfalfa weevil control in forage alfalfa
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An alternative chicken-based diet for mass-rearing screwworm flies J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-26 Paul V Hickner, Agustin Sagel, Gladys Quintero, Mario Vasquez, Mackenzie Tietjen, Kimberly H Lohmeyer, Alex P Arp
Screwworm flies are mass-reared and released along the Panama-Colombia border to prevent reinfestation of Central and North America. The cost of the production facility, labor, and diet materials makes mass-rearing the most expensive component of the program. The mass-rearing diet has a large impact on the quality and quantity of insects produced, both of which are necessary for the successful implementation
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Predicting the potential distribution range of Batocera horsfieldi under CMIP6 climate change using the MaxEnt model J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-26 Xinju Wei, Danping Xu, Quanwei Liu, Yuhan Wu, Zhihang Zhuo
Batocera horsfieldi (Hope) (Coleoptera, Cerambycidae, Batocera) is an important wood-boring pest in China, mainly affecting natural forests, economic forests, urban gardens, and green landscapes. In this study, based on the MaxEnt model and ArcGIS, we combined 216 distribution records of B. horsfieldi with 11 selected key environmental variables to predict its potential suitable distribution under
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Oral toxicity of an artificial sweetener sucralose on the German cockroach (Blattodea: Ectobiidae) and its impact on water balance and gut microbiome J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-20 Shao-Hung Lee, Dong-Hwan Choe, Michael K Rust, Chow-Yang Lee
Artificial or non-nutritive sweeteners are indigestible by most animals. Some sweeteners are orally toxic to insects and have received recent interest as potential safe insecticides due to their low mammalian toxicity. In this study, we investigated the oral toxicity of sucralose on insecticide-susceptible and resistant German cockroaches, Blattella germanica (L.). In a nonchoice test, we evaluated
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Economic framework to assess the impact of banning pesticides, with application to sulfuryl fluoride for drywood termites (Blattodea: Kalotermitidae) in California J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-16 David Zilberman, Vernard R Lewis
Sulfuryl fluoride (SF) is a fumigant used to eliminate drywood termites (DWT: Kalotermitidae; Froggatt) and other structural pests. Because of its global warming potential, it has been suggested that SF be restricted as a greenhouse gas (GHG). We present an economic model to assess the net social cost of restricting SF. We consider 3 approaches to address DWT control- no treatment, allowing SF fumigation
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Planococcus ficus (Hemiptera: Pseudococcidae) movement and demography: methods for generating cohorts for laboratory studies J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-15 Mark S Sisterson, Sean Y Uchima
Planococcus ficus (Signoret) is a worldwide pest of grapevine. Mealybugs overwinter under bark and move into the grape canopy as the season progresses. Because crawlers are more active than later stages, mealybug movement behavior is likely to be stage specific. To quantify P. ficus demography and movement behavior, a series of laboratory experiments were conducted. First, P. ficus populations were
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Testing the heat treatment dose for Agrilus planipennis (Coleoptera: Buprestidae) prepupae using the Humble water bath J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-15 Meghan K Noseworthy, Tyranna J Souque, Chris J K MacQuarrie, Esme P John, Meghan Gray, Josie Roberts, Eric A Allen
The lethal heat treatment dose (time and temperature) for the prepupal life stage of Agrilus planipennis Fairmaire (Coleoptera: Buprestidae), emerald ash borer (EAB), was determined through an in vitro application using a carefully calibrated heat treatment apparatus. The lethal and sublethal effects of heat on A. planipennis prepupae were assessed through a ramped heat delivery application, simulating
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Population dynamics of Tribolium castaneum (Coleoptera: Tenebrionidae) in wheat and in wheat mixed with cracked wheat held in different types of containers J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-15 Bhagya Jagadiswaran, Digvir S Jayas, Fuji Jian
The population dynamics of Tribolium castaneum (Herbst), red flour beetle, was studied at 30 °C using long vertical columns (LVCs) (150 mm diameter and 1,020 mm long) and shallow containers (SCs) (460 mm long, 660 mm wide, and 150 mm high), containing 14 kg of whole wheat or a diet made of whole wheat and cracked wheat in 19:1 ratio by mass. The moisture content of the wheat or mixed diet was 14.5%
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Bermudagrass mite (Acari: Eriophyidae) infestation worsens in response to increasing nitrogen fertility and decreasing irrigation volume but not mowing height J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-11 Matthew S Brown, Juang Horng Chong
Severe bermudagrass mite (Aceria cynodoniensis Sayed) infestation stunts turfgrass growth and reduces the aesthetic and recreational value of managed bermudagrass. Management practices, such as fertilization, mowing, and irrigation, may impact bermudagrass mite infestation and damage, but empirical evidence is lacking. Two 20 wk experiments were conducted with potted bermudagrass in a greenhouse or
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Kaolin as a management alternative for insecticide-resistant navel orangeworm (Lepidoptera: Pyralidae) J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-10 Daniel S Bush, Mark Demkovich, Moiravi Aldunate, Joel Siegel, May R Berenbaum
The production of almonds and pistachios in California’s Central Valley employs insecticides for the management of their primary pest, navel orangeworm. The pyrethroid Bifenthrin is commonly used, and now a strain of Amyelois transitella Walker (Lepidoptera: Pyralidae) (R347) obtained from Kern County almond orchards with a history of Bifenthrin use has acquired >110-fold resistance toward pyrethroids
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Exploratory comparison of flower visiting behavior and pollination ability of mason bees, bumble bees, and honey bees J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-10 Zhaoyun Lyu, Ting Zhou, Meng Sun, Min Feng, Wenxiu Guo, Lei Nie, Yingying Song, Xingyuan Men, Lili Li, Yi Yu
This study explored the flower visiting behaviors and pollination abilities of mason bees (Osmia excavata Alfken (Hymenoptera: Megachilidae)), bumble bees (Bombus terrestris (Linnaeus, 1758) (Hymenoptera: Apidae)), and Italian honey bees (Apis mellifera ligustica Spinola (Hymenoptera: Apidae)) in apple orchards in early spring in Jinan (located in the central region of Shandong) and Yantai (located
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Development and survivorship of Lycorma delicatula (Hemiptera: Fulgoridae) on cultivated and native Vitis spp. (Vitales: Vitaceae) of the Eastern United States J. Econ. Entomol. (IF 2.2) Pub Date : 2023-11-06 Johanna E Elsensohn, Laura J Nixon, Alyssa Kloos, Tracy C Leskey
As Lycorma delicatula (White) continues to spread across the United States, more winegrapes are potentially susceptible to damage from this pest. Lycorma delicatula, spotted lanternfly, is primarily associated with Ailanthus altissima (Mill.) Swingle, a tree from its native range that is now globally distributed. While L. delicatula is a known pest of cultivated Vitis spp. in South Korea, its relationship