Petrophila bifascialis

Petrophila bifascialis, the two-banded petrophila moth, is a moth in the family Crambidae. It was described by Robinson in 1869.[1] It is found in North America, where it has been recorded from Nova Scotia to Florida, west to Texas and north to Ontario.[2]

Petrophila bifascialis
Scientific classification
Kingdom:	Animalia
Phylum:	Arthropoda
Class:	Insecta
Order:	Lepidoptera
Family:	Crambidae
Genus:	Petrophila
Species:	P. bifascialis
Binomial name
Petrophila bifascialis (Robinson, 1869)
Synonyms
Cataclysta bifascialis Robinson, 1869 Elophila bifascialis Argyractis bifascialis Parargyractis bifascialis

The wingspan 11–24 mm. The forewings are whitish with a brownish-orange band across the median area, and three bands near the apex. The hindwings are white with an orange band bordered by a greyish band in the median area. Adults are on wing from late May to September.

The larvae are aquatic, feeding on diatoms and algae.[3]