A neotropical subgenus with 2 species in the USA. M. bahamensis is restricted to SE Florida while M. xylocopoides likely occurs throughout the state.
Wings less deeply infuscated, not purplish; hind wings nearly subhyaline; punctures of abdomen very minute and sparse…M. bahamensis Mitchell
Mid and hind tarsi ferruginous…M. bahamensis Mitchell
County Records: Monroe, Miami-Dade
Locations: Miami, Coral Gables
Dates: March to October
Notes: Restricted to South Florida and the Bahamas
County Records: Indian River, Miami-Dade, St. Johns, Leon, Lee, Okeechobee, Volusia
Locations: Haulover, Indian River, Miami, Melbourne, Enterprise, Fort Myers, Okeechobee, Paradise Key, St. Augustine
Plants: March to November
Notes: primarily a coastal plain species of the SE USA; extends west to to the western deserts.