Prionapteryx indentella

Prionapteryx indentella, the buffalograss webworm, is a moth in the Crambidae family. It was described by Kearfott in 1908. It is found in North America, where it has been recorded from Kansas and Texas.

Adults are smoky ochreous brown. Females are larger and lighter in colour. Adults are on wing from August to September in one generation per year.

The larvae feed on Buchloe dactyloides. They are solitary and inhabit vertical tunnels attached to individual horizontal surface tubes. The species overwinters as a young larva. Pupation takes place within vertical tunnels.