Note: Coelioxys piercei Crawford was listed for Florida by Mitchell
but not by Hurd. Baker states that this species is endemic to Texas and no other specimens are known.
He also states that Mitchell misidentified
C. mitchelli as C. piercei.
.
Key to females of Coelioxys subgenus Xerocoelioxys
1. Prothoracic tubercle with strong carina expanded into thin, plate-like structure....2
Prothoracic tubercle with strong carina but not expanded into thin, plate-like structure....3
2. Mesepisternum with lateral surface contiguously punctured;
axillae usually with small carinae defining dorsal surface; scutum closely punctured....
Coelioxys edita
Mesepisternum with lateral surface moderately punctured; axillae not carinate;
scutum moderately to sparsely punctured....
Coelioxys galactiae
Sixth metasomal sternum not or little constricted apically....
Coelioxys mitchelli
Key to males of Coelioxys Subgenus Xerocoelioxys
1. Thoracic and metasomal fasciae distinct; prothoracic tubercle produced into thin, plate-like structure;
gradulus of tergum 2 curved toward apical margin medially....2
Thoracic and sometimes metasomal fasciae inconspicuous;
carina of prothoracic tubercle conspicuous but not expanded into thin, plate-like structure;
gradulus of tergum 2 almost straight....4
2. Lateral surface of mesepisternum almost covered by appressed, squamose (almost scale-like) setae; axillae without carina on dorsal surface;
ocellooccipital distance at least subequal to ocellocular distance....Coelioxys boharti
Lateral surface of mesepisternum without appressed squamose setae,
or if with squamose setae then axillae with small carina or ocellooccipital distance less than ocellocular distance....3
3. Lateral surface of mesepisternum with squamose setae; scutum with anterior fascia distinct, of squamose setae....
Coelioxys edita
Lateral surface of mesepisternum with plumose but slender setae; scutum with anterior fascia variable, of plumose but slender setae....
Coelioxys galactiae
4. Interocellar distance greater than ocellar-occipital distance....
Coelioxys mitchelli
Interocellar distance subequal to or slightly less than ocellooccipital distance....
Coelioxys immaculatus
County Records: Alachua, Listed for Florida by Mitchell; Baker's map shows it throughout Florida, including the panhandle, north and central peninsula but no
specimens from south of Lake Okeechobee in Southern Florida.
Locations: Gainesville
Dates: March and April
Plants:
Notes: Found from Kansas to Texas in the plains and from N. Jersey to Florida
along the Atlantic states.
Female
Photos of female by HGH are of a specimen AMNH 12280 from New Jersey
