The paper investigates the distributions of legumes (Fabaceae) and their associated seed beetle species (Bruchinae) across vegetation zones and regions of Europe and evaluates the host range and specialization of seed beetles. 1584 legume species/subspecies/varieties were included in the study and ca. 16% of these serve as known hosts by the 175 seed beetle species found in Europe. Both plant and seed beetle species richness increased from the Boreal to Mediterranean zones/regions. 717 legume species occurred only in single zones/regions and only 4.7% of these (34 species) were hosts for 38 bruchine species specific to a zone/region. Europe has 664 native legume species and 381 of these are Eu-endemics. There were 52 alien legume species found. Similarities in plant species composition by the Sørensen index were pronounced between the Central-European and the Mediterranean, between the Transcaucasian and Mediterranean, and between the Colchis-Caucasian and the Pontic-Caspian areas. The most species-rich genus is Astragalus L. with 334 species and 16 subspecies. Of the two major pre-dispersal seed predator genera, Bruchidius Schilsky species are sensu lato oligophagous, using a wide range of leguminous tribes as hosts, but restricted to few host species within a tribe. In contrast, members of the Bruchus L. genus are sensu stricto oligophagous species and, despite being constrained to the Fabeae tribe, most of them feed on several Lathyrus L. and Vicia L. species. The ways annual and perennial life cycles as well as chemical constituents of legumes might affect the colonization success of the seed beetles are discussed.

本文调查了豆科植物（豆科）及其相关种子甲虫物种（Bruchinae）在欧洲植被带和地区的分布，并评估了种子甲虫的寄主范围和特化。该研究包括 1584 个豆科植物物种/亚种/品种。其中 16% 是欧洲发现的 175 种种子甲虫的已知宿主。从北方地区到地中海地区/地区，植物和种子甲虫物种丰富度均有所增加。717 种豆科植物仅出现在单一区域/区域，其中只有 4.7%（34 种）是特定区域/区域的 38 种马钱子属物种的寄主。欧洲有 664 种本土豆科植物，其中 381 种是欧盟特有物种。发现了52种外来豆科植物。根据索伦森指数，中欧和地中海地区、外高加索地区和地中海地区以及科尔基斯-高加索地区和东欧-里海地区之间的植物物种组成相似。物种最丰富的属是黄芪属，有334种16亚种。在两个主要的传播前种子捕食者属中，Bruchidius Schilsky 物种是意义上的寡食性，使用广泛的豆科部落作为宿主，但仅限于部落内的少数宿主物种。相比之下，Bruchus L. 属的成员是严格意义上的寡食性物种，尽管仅限于豆科植物部落，但它们中的大多数以几种山黧豆属 ( Lathyrus L.) 和蚕豆属(Vicia L.) 物种为食。讨论了一年生和多年生生命周期以及豆科植物的化学成分可能影响种子甲虫定殖成功的方式。