Gumovsky, A.V.
(Вестник зоологии, 1999)
The Ukrainian species of hercyna group are revised. 7 species are recognized, 6 of them are new for the region. E. (E.) procioni Erdos, E. (E.) gracilior Walker, E. (£.) heyeri (Ratzeburg), E. (E.) abdera Walker, E. (E.) ...