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Extracted from: Baker J.R., (1975). Taxonomy of Five Nearctic Subgenera of Coelioxys (Hymenoptera; Megachilidae). The University of Kansas Science Bulletin Vol. 50, No. 12, pp.649-730.
FEMALE. Agrees with description and figures of Coelioxys edita except as follows: (2) Integument finely granular, dull on vertex, metasoma; black; antenna, legs, venter of metasoma black to piceous; (3) pubescence white, sometimes brownish on mesosoma, golden on tarsi; (4) ocular hairs medium length (0.08 mm); (5) clypeus convex, rugose, closely punctured, shiny; disc bare, margin with 5 small denticles; apical fringe conspicuous but not dense; (7) paraocular area hidden by setae up to 03 mm long; (8) ventral portion of face with sparse, appressed setae about 0.1 mm long; dorsal portion with mediosagittal portion bare or obscured by longer setae; (10) ocellar area closely punctured; (12) vertex coarsely, evenly punctured (Fig. 42A); (13) gena with ventral angle about 90°; (15) mandible with outer margin rounded as in Figure 22E; (16) scutum closely, evenly punctured; disc with short, inconspicuous erect setae (Fig. 42A); (17) lateral surface of mesepisternum largely bare, fasciae sometimes indistinct; (18) scutellum with posterior margin almost straight medially (Fig. 42A); (19) axilla not carinate (Fig. 42A); (21) front coxal spine directed anteriorly; (22) metasomal terga closely punctured; tergum 2 with foveal area un-modified; tergum 6 subtriangular (Fig. 42A); (23) sternum 5 complete medially; sternum 6 subtriangular apically (Fig. 42A).
MALE. Agrees with description and figures of Coelioxys edita except as follows: (24) Length 9-11 mm; (25) integument as in female (2 above); (27) ocular hairs medium (about 0.1 mm); (28) clypeus hidden by copious setae about 0.36 mm long; margin as in female; (30) paraocular area hidden by setae about 0.45 mm long; (31) rest of face closely punctured; hidden by setae about 0.4 mm long; (32) clypeoantennal distance less than in-terantennal distance, greater than anten-nocular distance; (33) ocellar area as in female (10 above); (34) interocellar distance greater than ocelloccipital distance, less than ocellocular distance; (35) vertex slightly more irregularly punctured than shown in Figure 42A; (36) gena slightly narrowed ventrally; (38, 39) mandible, scutum as in female (15, 16 above); (40) mesepisternum with slender, plumose setae on disc; (41-43) scutellum, axilla, metanotal setae as in female (18-20 above); (45) tergum 6 with dorsal spines more conspicuous than shown in Figure 38G; (47) sterna 4, 5 as in Figure 390 except for longitudinal ridges on rim of sternum 4; sternum 6 as in Figure 39K; sternum 8 with base rounded (Fig. 39L); gonocoxite with abundant, plumose setae (Fig. 39M).
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