Blastobasis xiphiae

Blastobasis xiphiae is a moth in the family Blastobasidae. It is found in Costa Rica.

The length of the forewings is 4.5–5.2 mm. The forewings have pale-brown scales tipped with white intermixed with brown scales tipped with pale brown and a few dark-brown scales. The hindwings are translucent pale brown, gradually darkening towards the apex.

Etymology
The specific epithet is derived from Latin xiphias (meaning swordfish).