Coelioxys

Subgenus Cyrtocoelioxys Mitchell, 3 taxa

These bees are associated primarily with members of the subgenus Chelostomoides, of genus Megachile as hosts. Thus, M. exilis, M. campanulae, M. georgica, and M. rugifrons, could be hosts in Florida.

Key to females of Coelioxys subgenus Cyrtocoelioxys

Sternum 6 either broadly or narrowly rounded, the sides neither notched, sinuate nor incurved..C. modestus



Sternum 6 either notched laterally, or incurved on each side to form an apical, narrowed projection..C. obtusiventris

Key to males of Coelioxys subgenus Cyrtocoelioxys

Basal concavity of abdomen with an elevated, subcarinate rim..C. modestus



Basal concavity of abdomen not carinate ..C. floridanus

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Megachilidae: Coelioxys floridanus Cresson

County Records: Listed for Florida by Mitchell

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Dates:

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Notes: Mitchell described this species from the male specimens only. Occurs from NC to Florida

Megachilidae: Coelioxys modestus Smith

County Records: Listed for Florida by Mitchell

Locations:

Dates: March-August

Hosts: M. campanulae wilmingtoni

Notes: Photos here by HGH are specimens from Louisiana. Krombein reared this species. Probably from Highlands county?

Female

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Male

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Megachilidae: Coelioxys obtusiventris Crawford

County Records: Listed for Florida by Mitchell, endemic?

Locations:

Dates:

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Notes: Known only from a single female related to C. modesta but distinguishable.