title: New data on the distribution and ecology of Lignyoptera fumidaria (Hübner, 1825) in the steppe zone of Northern Kazakhstan
abstract: New data on the distribution and biology of Lignyoptera fumidaria (Hübner, 1825) in the steppe zone of Northern Kazakhstan is presented. As a result of surveys conducted in October 2025, two new localities of the species were identified in the Aiyrtau District, located 300 km south of previously published records within the region. A mass aggregation of approximately 250 males was recorded within an area of about 3 ha. Adult activity was observed under persistently sub-zero temperatures (down to
journal: Acta Biologica Sibirica (Altai State University)