Pygospila costiflexalis is a species of moth of the family Crambidae.

It is found in south-east Asia, including India, Sri Lanka and Indonesia.

[1] It differs from Pygospila tyres in being cupreous brown with a faint purple tinge; the neck is fulvous; the thoracic stripes are obscure and brownish, the abdominal spots small.

Forewing with the sub-basal markings obsolescent; the three submarginal spots absent, and the spots below vein 2 minute.

This Margaroniini-related article is a stub.