The general perceptive field in spiders (Salticidae) is differentiated according to the principle of optic functions’ distribution between separate eyes. The light-percepting apparatus of the optic system consists of the ...

Eight species of Hymenoptera: Gelis melanocephala S c h r a n k., Hemiteles melanopygus G r a v., Hemiteles sp., Hidryta [rater Cresson., Trychosis molestus Tschek., Zaglyptus varipei G r a v., Zatypota percontatoria M u ...

The article deals with the results of processing of spider collection gathered by the author in forest-steppe zone of the Ukrainian SSR (in the Kanev environs). A list and distribution by habitats of 124 species and ...