Cataclysta pusillalis is a Crambidae moth species in the genus Cataclysta. It was described by Saalmüller, in 1880, and is known from Madagascar.
This species has a wingspan of 11 mm.Saalmüller, Max, 1892, Lepideptoren von Madagaskar - "Abhandlungen der Senckenbergischen Naturforschenden Gesellschaft", page 504/505, ref.871
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