Megachile pugnata is a species of North American bee in the family Megachilidae.

[1] Females are 12–18 mm in length while male are somewhat smaller: 11–13 mm.

The adults are active from June to September.

[2] Females of this species are oligolectic on the pollen of plants in the sunflower family, Asteraceae, and commonly visit ironweeds (e.g. Vernonia fasciculata) for nectar.

This Megachile-related article is a stub.