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Sphecodes pycnanthemi Robertson, 1897
Life   Insecta   Hymenoptera   Apoidea   Halictidae   Sphecodes
Subgenus: None


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Identification
Extracted from: Robertson, C. (1897). North American Bees - Description and Synonyms. Transactions of the Academy of Science od St. Louis. Vol. 7. No. 14.

Head and thorax black, first three, 01' more, segments of abdomen red; head broad, closely and finely punctured, clypeus black or dull ferruginous, with sparse coarse punctures, labrum semicircular, entire, testaceous; mandibles bidentate or simple, honey yellow or rufolls at base, black at tips; flagellum dull ferruginous, more or less testace01l8 beneath, mesonotum shining, sparsely and rather finely punctured, as well as scutellum; metathorax truncate, disc short, with poorly defined inclosure presenting rather fine irregular longitudiual rugae; below the metathorax is reticulated, but not coarsely so, upper part of truncation with a triangular space which is smooth and shining; wings slightly dusky, nervures, stigma and tegulae rather dull testaceous; legs black or dull ferruginous, abdomen shining, finely punctured towards apex, first three segments red or yellowish red, the remaining segments the same, or blackish. Length 5-6 mm.

Illinois; 2 ~ specimens. This species is separated from S. mandibularis and S. ~tygius on account of its large size and the unusually short disc of metathorax.

Extracted from: Mitchell, T. 1962. Bees of the Eastern United States, I. North Carolina Agricultural Experiment Station. 1-191.

FEMALE-Length 5.5 mm.; black, with no greenish reflections evident; mandibles with an inner, subapical tooth; face closely punctate in general; punctures of scutum sparse over posterior half or more of disc, becoming narrowly rugoso-punctate along anterior margin; pleura, including hypoepimeral area, dull and densely rugose; dorsal area of propodeum completely and rather finely striate.

DISTRIBUTION-Illinois and Colorado.

FLOWER RECORD - Pycmnthemum


Names
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Updated: 2024-03-29 05:57:42 gmt
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