Both C. octodentata and C. sayi are very common in Florida according to Baker's maps. C. rufitarsis was originally described from Florida (specific locality unknown); Buchmann and Donovan (personal communication) have collected it from Jefferson county, Florida.
Clypeal margin with distinct emargination evident in frontal view with full compliment of setae..C. sayi
Clypeal margin straight..2
Ocular hairs long (about 0.15mm); tergum 6 with tiny setae ventral to angles which have a velvety appearance; tergum one with median fascia of long, slender erect setae..C. rufitarsis
Ocular hairs short (about 0.05mm); tergum 6 with squamose white setae ventral to angles; tergum 1 with median fascia of prostrate setae, if slender, then short..C. octodentatus
Fovea on metasomal tergum 2 wide, deep, short, conspicuous; margins of fovea impunctate; bee robust. .C. rufitarsis
Fovea on metasomal tergum 2 variable, if wide, then anterior margin punctate; bee variable in form..2
Posterior margins of gradular grooves on metasomal terga two and three almost obliterated medially. .C.sayi
Posterior margins of gradular grooves on metasomal terga two and three distinct medially..C. octodentatus
County Records: Listed for Florida by Mitchell; Alachua, Bradford, Highlands, Levy, Miami-Dade, St. Johns; Baker's map shows this species only from north central peninsular region of Florida. It likely occurs throughout the state.
Locations: Archbold Biological Station, Brooker, Crescent Beach, Gainesville, Goethe State Forest, Lake Butler, University of Florida Campus
Dates: May-October
Hosts: M. mendica and M. brevis
Notes:
County records: Duval (interpreting map in Baker); Jefferson (Buchmann and Donovan, unpub. Data)
Dates: April-October
Hosts: probably M. texana in Florida
Notes: Photos not yet available.
County Records: Alachua, Highlands, Levy, Putnam, St. Johns; Listed for Florida by Mitchell; throughout all regions of Florida, according to the map in Baker (1975)
Locations: Archbold Biological Station, Crescent Beach, Gainesville, Kanapaha Prarie, Ordway-Swisher Biological Station, Paynes Prairie Preserve State Park,
Dates: March-October
Hosts: M. mendica, M. brevis
Notes: