LEPIDOPTERA
H E S P E R I I D A E Latreille, 1809
THORESSA Swinhoe, 1913
Thoressa varia (Murray, 1875)
Thoressa varia (Murray, 1875)
• TYPE LOCALITY. Japan.
• SYNONYMS: melancholica Bryk, 1942.
• RANGE. Islands of E. Asia; the record from Korea (Kurentzov, 1970) requires confirmation.
• DISTRIBUTION AND VARIATION. The Sakhalin and Kuril Islands. UPS spots vary in size up to totally absent.
• HABITATS AND BIOLOGY. Forest edges and clearings. Flight period: June-July. Host plant in Japan (Fukuda et al., 1984): Sasa kurilensis.
Photo and text: Guide to the BUTTERFLIES OF RUSSIA and adjacent territories Volume 1. PENSOFT, Sofia - Moscow. 1997