
Appearance
''Bythopsyrna circulata'' can reach a length of 20–24 millimetres . Head, pronotum and mesonotum show black spots. Wings have quite variable brown crescents, loops and bands. There is a usually intact longitudinal dark brown band along vein R of tegmen. Basal cell is brown or black. Marking patterns may be obscured by melanism and clear areas may show orange color. Ovopositor is primitive and adapted for piercing.Distribution
This species can be found in the rain forests of China, Malaysia, Thailand, Sumatra and Java.Behavior
''Bythopsyrna circulata'' has five larval stages and the winged adult hatched from the fifth.This species, when stimulated by ants, produces large quantities of honeydew.
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