Abstract

In the south-east of the forest area of the Voronezh Nature Reserve (quarter 541, central estate, 51°52ʹ33ʺ N; 39°39ʹ09ʺ E,) outside on the window of the main administrative building, a female of the western conifer seed bug Leptoglossus occidentalis (Heidemann, 1910) was recorded on November 19, 2021. It is an actively spreading species native to North America, where it damages seed plantations of coniferous trees and shrubs reducing significantly their seed productivity. This finding is the northernmost in the European part of Russia (the nearest location is 40 km to the south of the reserve, on the outskirts of Voronezh). This is probably the result of unintentional introduction by motor vehicle (there are three parking lots for tourist buses and cars of visitors next to the main administrative building of the reserve).

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