Reprinted with permission from: Mitchell, T.B. 1962 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 152.
FEMALE—Length 6-7 mm.; lateral ocelli considerably nearer margin of vertex than to each other; cheeks subequal to eyes in width, posterior margin only obscurely carinate at most; longer side of basal segment of flagellum considerably shorter than segment
median segments considerably longer than broad; mandibles slender and simple apically; wings subhyaline basally, becoming lightly infuscated apically, with a hyaline area just beyond submarginal cells, with the usual three submarginal cells, 2nd much broader anteriorly than 3rd, veins testaceous to piceous, basal vein much basad of transverse median; tegulae shining, punctures exceedingly minute, sparse and obscure, becoming somewhat closer along inner margin; posterior margin scutellum rather broadly and shallowly impressed medially; front coxae not spinose; apex of hind tibiae with three or four very slender, elongate, yellowish, hair-like bristles; eyes narrowly but almost completely encircled with reddish-testaceous, lower half of face largely of the same color, with a small amount of black immediately beneath each antenna, the broad, median area above antennae, vertex and cheeks largely black; antennal scape and base of flagellum more testaceous, following segments more brownish-testaceous beneath, somewhat reddish above; scutum and scutellum ferruginous, scutum narrowly black anteriorly and in mid-line, mesopleura black beneath and below wing base, yellowish-ferruginous medially, with a smaller, more reddish spot just below wing base; metapleura and propodeum largely black, propodeum with an obscure yellowish spot on each side of posterior face; pronotal collar, tubercles, tegulae, and legs in large part, testaceous, spurs pale yellow; discs of abdominal terga 1-5 reddish-testaceous, tergum 1 black across basal third, terga 2 and 3 with lateral, widely separated, yellow maculae, tergum 5 with a pair of vague, subapical, yellow infusions; abdominal sterna largely reddish-testaceous; face, vertex and cheeks coarsely, closely and deeply punctate, cheeks becoming somewhat more rugose below, clypeus with very minute, fine, close and obscure punctures; scutum and upper portion of mesopleura very coarsely and deeply rugoso-punctate, pleura more distinctly and finely punctate below, scutellum with somewhat finer but rather coarse and contiguous punctures; propodeum more finely but densely rugose, triangle narrowly smooth below, becoming broadly and coarsely rugoso-striate across upper two-thirds; discs of abdominal terga very finely and rather closely punctate, tergum 1 becoming impunctate laterally and basally, and the median punctures very minute and obscure, apical margin broadly impunctate; apical margins of terga 2-4 very broadly impressed, becoming more or less hyaline along rims, these invaded only very slightly by a few very minute, scattered punctures, those of tergum 5 becoming rather sparse but somewhat coarser toward the apex; pseudopygidium very short, transverse, forming the truncate apical margin of tergum 5, densely clothed with suberect, silvery tomentum; pubescence very short and obscure in large part, entirely pale where visible, somewhat more copious and evident on face, cheeks below, on thorax laterally and beneath, and on propodeum, very minute and obscure on abdomen dorsally, sternal plates with somewhat more elongate but sparse, pale hairs, apex of sternum 5 with a rather small tuft of somewhat elongate, more or less brownish, convergent hairs on each side of mid-line.
MALE—Length 5-7 mm.; lateral ocelli slightly nearer margin of vertex than to each other; cheeks considerably narrower than eyes, posterior margin obscurely carinate, if at all; antennal scape only slightly swollen, apex deeply excavated, completely enclosing pedicel, basal segment of flagellum very short, its shorter side only about half the length of segment 2, median segments considerably longer than broad; mandibles slender and simple apically; wings hyaline basally, becoming lightly infuscated apically, with the usual three submarginal cells, 2nd much broader than 3rd anteriorly, veins testaceous, basal vein much basad of transverse median; tegulae shining, punctures exceedingly minute and sparse, evident chiefly along inner margin; posterior margin of scutellum very broadly and slightly impressed medially; front coxae not spinose; hind femora slender and unmodified; clypeus, labrum, mandibles, supraclypeal area, and narrow, lateral, facial maculations, bright yellow, and cheeks narrowly yellow along margin of eye below; face above antennae, vertex and cheeks black, and black separating the supraclypeal maculation from the narrow lateral maculations which end narrowly on eye margin at level of antennae; antennal scape yellow anteriorly, piceous posteriorly, flagellum more brownish-testaceous beneath, upper surface darkened, piceous basally, becoming lighter apically; pronotal collar, tubercles, tegulae, and an anterior maculation on mesopleura, bright yellow; scutellum red, but anterior margin and remainder of thorax black; coxae and trochanters in part blackish, legs otherwise more testaceous, hind femora somewhat infuscated, spurs pale yellow; basal half of abdominal tergum 1 piceous, apical half more yellowish-ferruginous, terga 2 and 3 with extensive, lateral, yellow maculations which are rather widely separated medially, the non-maculated areas more testaceous or ferruginous, terga 4 and 5 with narrower, transverse bands which are interrupted both laterally and medially, and tergum 6 broadly yellow medially; abdominal sterna largely reddish-testaceous, sternum 6 narrowly yellow at apex; face, vertex and cheeks coarsely, and deeply rugoso-punctate, punctures becoming somewhat finer and more sparse on each side below, clypeus with very minute, close and obscure punctures; scutum very coarsely and deeply rugose, scutellum somewhat more finely rugoso-punctate, and mesopleura rugose above, punctures becoming somewhat more distinct but still close below; propodeum somewhat more finely but densely rugose, triangle somewhat shining below, upper two-thirds becoming rather coarsely, irregularly striate; discs of abdominal terga very finely and quite closely punctate, tergum 1 becoming impunctate basally and laterally, apical impressed areas of the following terga invaded with minute, rather sparse punctures, only the more or less yellowish-hyaline apical rims being impunctate; terga 4-6 rather coarsely and deeply punctate apically; pubescence entirely whitish, very short and inconspicuous on head and thorax above, becoming somewhat more copious but still short on face below and lower portions of head, on thorax laterally, posteriorly and beneath; abdomen very minutely and obscurely pubescent above, sternal plates with very fine, sparse but more elongate, pale hairs, sternum 6 becoming quite densely pubescent apically; median length of pygidial plate about equal to basal width, slightly narrowed apically, apex somewhat rounded but deeply incised, margins carinate, surface quite closely and rather finely punctate; exposed sternal plates unmodified, sternum 6 strongly narrowed to the narrowly rounded apex; sternum 8 with a slender apical process; gonocoxites of genital armature as shown (fig. 107).
DISTRIBUTION—New York to North Carolina, March to July.
FLOWER RECORDS — Amelanchier, Aruncus, Ceanothus and Senecio.
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