Izvestiya of Saratov University.
Chemistry. Biology. Ecology
ISSN 1816-9775 (Print)
ISSN 2541-8971 (Online)

European part of Russia

A new host plant for Cameraria ohridella Deschka & Dimić, 1986 (Lepidoptera: Gracillariidae) in Volga Region

From 2018 have passed 6 years since an invasive species from Europe – the Ohrid miner Cameraria ohridella (Lepidoptera: Gracillariidae) penetrated into the Lower and Middle Volga region and began to actively populate urban landscapes with horse chestnut plantings. For are the example of the regional center of Saratov, the temporary aspects of settlement and damage to horse chestnut trees over the specified period are considered.

Anthophilous beetles (Insecta: Coleoptera) of dandelion cenopopulations (Taraxacum offi cinale) during its “spring” fl owering period in the Yaroslavl Region

The beetle community (Coleoptera) on the fl owers of the dandelion Taraxacum offi cinale (Yaroslavl Region, Borok vill.) during its “spring” fl owering (05/17/2022 – 06/14/2022) is represented by 28 species from 13 families. The community has a pronounced anthophilic aspect and includes mainly pollinophages and nectarophages (Elateridae, Nitidulidae, Byturidae, Phalacridae, and Oedemeridae). Two species of beetles, Olibrusbicolor and Glocianus punctiger, develop on the dandelion.