Tirsa

Tirsa is a genus of moths of the family Crambidae, containing only one species Tirsa fiona. It is found in French Polynesia (Rapa Iti).

Tirsa
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Subfamily:	Pyraustinae
Genus:	Tirsa J. F. G. Clarke, 1971[1]
Species:	T. fiona
Binomial name
Tirsa fiona J. F. G. Clarke, 1971

The wingspan is 24–28 mm. It is a dark brown moth with dark camouflaging speckles throughout its body. It is also known for its long, narrow antennae, which often extend back over its head, rather than ahead.