Idioglossa triacma is a species of moth of the family Epimarptidae. It is known from the Khasi Hills of India.

The wingspan is about 10 mm. The forewings are orange-yellow with a purplish-fuscous-golden triangular blotch at one-third, almost reaching the costa.Meyrick, 1913 Exot. Microlep. 1 (3): 77

Biology The host plant of this species is Commelina benghalensis (Commelinaceae).HOSTS - a Database of the World's Lepidopteran Hostplants

Related pages List of moths of India

References