Reprinted with permission from: Mitchell, T.B. 1960 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 141. |
FEMALE—Length 8 mm.; head and thorax greenish, abdomen piceous, maculae lemon yellow; length of face somewhat greater than distance between eyes above; eyes slightly convergent below; cheeks subequal to eyes in width; vertex quite broad, lateral ocelli slightly nearer its posterior margin than to eyes; foveae rather elongate, somewhat narrowed below, quite deep and distinct; mandibles robust, the apical 3rd abruptly flexed, yellowish, becoming reddish apically; labrum dark; elypeus rather strongly protuberant, considerably broader than long, yellow except for a pair of triangular darkened areas above and the narrowly darkened apical margin; facial maculae filling area between clypeus and eye, truncate above, not extending above upper margin of clypeus; scape yellow anteriorly, flagellum piceous; lower portion of face shining, more brassy green except for the maculae, punctures very fine, rather close and quite distinct, upper part of face more olive green, dull and tessellate, punctures exceedingly minute and obscure, cheeks somewhat shining, but closely and minutely punctate; pubescence of head and thorax short but rather dense, ochraceous; posterior margin of pronotum yellow except for a slight median interruption, tubercles yellow, thorax otherwise brassy green; tegulae yellowish-hyaline; wings subhyaline, veins brownish-testaceous, stigma more yellowish but margined with brownish; legs dark except for small, basal, yellow spots on front tibiae; scutum and scutellum shining between very fine, close, deep and distinct punctures, pleura somewhat darker green, not so shining, punctures more sparse, minute and obscure; discs of abdominal terga 2-5 with transverse yellow, basal bands that are strongly narrowed or interrupted medially, basal tergum with a pair of very small lateral spots; integument of basal tergum rather dull, without distinct punctures, the more apical terga somewhat more shining, with fine and rather obscure punctures toward the slightly depressed apical rims.
MALE—Length 7 mm.; head and thorax greenish, abdomen piceous; length of face about equal to distance between eyes; eyes subparallel; cheeks much broader than eyes, with rounded angles opposite upper and lower ends of eye; vertex broad, lateral ocelli sub- equally distant from its hind margin and eyes; foveae very short, shallow and obscure, hardly evident; mandibles slender and elongate, tip of one reaching base of the other when closed, yellow, with fuscous, slender tip; labrum yellowish, somewhat swollen; clypeus rather small and flat, greenish, with yellow maculae on each side apically; lower margin of face between clypeus and eyes margined with yellow; scape yellow anteriorly, flagellum piceous above, brownish beneath; face below antennae shining, more brassy green, with fine, rather close, deep and distinct punctures, face above more olive green, dull and tessellate, face with hardly evident punctures, cheeks somewhat shining, with very minute, indistinct and rather close punctures; pubescence of head and thorax rather dense, yellowish above, becoming paler below; thorax brassy green, without maculae; tegulae yellowish posteriorly, darker anteriorly; wings subhyaline, veins testaceous, stigma more yellowish, margined with testaceous; legs largely dark, front tibiae with a small, basal, yellow spot, tarsi becoming yellowish apically; scutum and scutellum shining, with fine and rather close but deep and distinct punctures, pleura less shining, punctures more sparse and obscure; abdominal terga dull, with scattered, minute and very sparse punctures, tergum 2 and sometimes 3 with small lateral yellow spots; sternum 7 with a broad and deep, quadrangular, median emargination; apical process of sternum S rather narrow and elongate, tip compressed and acute, bearing a tuft of short hairs, basal part parallel-sided; gonostyli of moderate length, broadly and strongly compressed, tips acute, penis valves of about equal length, parallel-sided and rather robust, volsellae compressed, with a slender, distinct digitus, gonocoxites produced apically into a pair of slender, acute lobes.
DISTRIBUTION—Minnesota to New Jersey, south to Mississippi and Florida; June to September.
Flower records—Bidens and Helianthus divaricatus. Robertson records this on Physalis lanceolata and P. virginiana.