Analysis of the composition of leaf beetles and weevils (Coleoptera: Chrysomelidae and Curculionoidea) of the Botanical Garden of Perm State National Research University (based on collections in pitfall traps)

The article analyzes the collections of leaf beetles and weevils carried out using the method of pitfall traps lines in the Botanical Garden of Perm State National Research University (Perm) during four growing seasons (from April to October–November 2021–2023 and from April to August 2024). A total of 4425 specimens were collected, belonging to 92 species from three families (Chrysomelidae – 32; Brentidae – 14; Curculionidae – 46). Three invasive species (Exomias pellucidus Boheman, 1834), Otiorhynchus smreczynskii Cmoluch, 1968 and O. sulcatus (Fabricius, 1775)) native to Central and South-Eastern Europe have been registered. The fauna of leaf beetles and weevils of the Botanical Garden has a more southern appearance than the zonal fauna of the northern subtaiga, due to the significant proportion of species with south-boreal-subboreal (16; 17.5 %) and subboreal (6; 6.5 %) types of ranges. Among the phytophagous beetles, eurybionts and representatives of the pioneer complex are sharply predominant (a total of 86 %), while the proportion and abundance of forest and forest edge species, characteristic of the natural ecosystems of the region, are low.