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 very deeply infuscated, purplish; abdomen with numerous rather large and deep punctures..M. xylocopoides Smith
Wings less deeply infuscated, not purplish; hind wings nearly subhyaline; punctures of abdomen very minute and sparse..M. bahamensis Mitchell
Mid and hind tarsi blackish..M. xylocopoides Smith
Mid and hind tarsi ferruginous..M. bahamensis Mitchell
County Records: Monroe, Miami-Dade
Locations: Miami, Coral Gables
Dates: March to October
Plants:
Notes: Restricted to South Florida and the Bahamas
County Records: Alachua, Flagler, Indian River, Lee, Leon, Miami-Dade, Okeechobee, St. Johns, Volusia
Locations: Crescent Beach, Enterprise, Fort Myers, Gainesville, Haulover, Indian River, Kanapaha Prairie, Miami, Melbourne, Okeechobee, Orange Heights, Ordway-Swisher Biological Station, Paradise Key, Paynes Prairie Preserve State Park, Sanibel Island, St. Augustine, Washington Oaks Gardens State Park
Dates: March to November
Plants: Balduina angustifolia, Bidens alba, Cirsium altissimum, Helianthus angustifolia, Helianthus debilis, Heterotheca subaxillaris, Ligustrum, Melanthera nivea, Rhus copallinum
Notes: primarily a coastal plain species of the SE USA; extends west to to the western deserts.