Sephisa princeps Fixsen, 1887
• TYPE LOCALITY. «Pung-Tung» [Korea].
•SYNONYMS: cautcL (Leech, 1887); albimacuicL Leech, 1890.
• RANGE. Amur and Ussuri regions; NE. China, Korea.
• DISTRIBUTION AND VARIATION. The Amur and Ussuri regions are populated by the nominotypical subspecies.
• TAXONOMIC NOTES. Earlier this taxon was considered as a subspecies of Sephisa dichroa (Kollar, ); the latter inhabits N. India, Pakistan, Nepal and differs from S. princeps in appearance and host plants (Dantchenko et al., 1996).
• HABITATS AND BIOLOGY. The life history has been described in due detail (Dantchenko et al., 1996). Flying in July to August in oak forests. Host plant: Quercus mongolica. Females occurring in tree crowns while males, usually solitary, often on puddles. The female lays eggs in a convolute leaf by some dozens at a time. Larvae of first two instars keep living together. Five instar stages are passed during about 60 days. Pupa hanging on the leaf petiole. Pupal stage lasting about two weeks.
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