Mydas xanthopterus is a species of mydas flies in the family Mydidae.

Mydas xanthopterus occur in North America (Mexico and the United States). They resemble red-winged Pepsis species and are possibly Batesian mimics. They occur in sympatry with Pepsis grossa.

References

Mydidae
Diptera of North America
Insects described in 1866
Taxa named by Hermann Loew