Cassyma chrotadelpha Sommerer & Stüning
Cassyma chrotadelpha Sommerer & Stüning, 1992, Heterocera Sumatrana, 7 :15
Diagnosis
See the previous species.
Taxonomic Notes
The male genitalia of chrotadelpha differ slightly from those of chrotodon from Peninsular Malaysia and Sumatra. The left furca arm is more acute, tapering rather than square-ended, and the basal pocket of the furca is conical rather than squarish.
Geographical Range
Sumatra, Borneo.
Habitat Preference
Three specimens have been taken on the limestone G. Api in montane forest at 900m and 1200m, and one on Bukit Retak at 1618m.
Genitalia: