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Nomada crudelis Cresson, 1878
Life   Insecta   Hymenoptera   Apoidea   Apidae   Nomada
Subgenus: None


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Overview
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 15 mm.; lateral ocelli nearer margin of vertex than to eyes; cheeks subequal to eyes in width; longer side of basal segment of flagellum slightly shorter than segment 2, median segments slightly longer than broad; mandibles simple, robust; wings pale fuliginous, veins brownish, 3rd submarginal cell subequal to 2nd anteriorly, basal vein somewhat basad of transverse median; tegulae closely and quite coarsely punctate; scutellum deeply grooved medially; front coxae not spinose; apex of hind tibiae with a row of three or four very short bristles; color largely red, mandibles and labrum more yellowish, segments 2-11 of flagella brownish-piceous; scutum with three rather faint, longitudinal blackish lines; pronotum laterally, metapleura below, and lower, anterior margin propodeum laterally, black; legs entirely red, spurs yellowish; basal half of abdominal tergum 1 black, abdomen otherwise red, but impressed apical margins of 2-4 yellowish; vertex and upper half of face rather coarsely rugose, cheeks finely so; clypeus minutely and closely punctate; thorax rather coarsely rugose throughout, but lower half of propodeal triangle smooth and dull; punctures of abdominal terga minute, and very closely crowded, only the very narrow, apical rims impunctate; pseudopygidium of the usual form; pubescence very short and inconspicuous, pale yellowish.

TYPE LOCALITY—Georgia.

It seems possible that Andrena obscuripennis Smith is the host of crudelis.

No specimens other than the type have been seen. In the Catalog of Hymenoptera (p. 1198) this is listed in the subgenus Heminomada, but it bears little or no resemblance to the other species of that group. There are no yellow bands on the abdominal terga, and the yellowish impressed apical areas of the terga are quite obscure.


Reprinted from: Cresson, E.T., 1878. Descriptions of new North American Hymenoptera in the collection of the American Entomological Society. Trans. Am. Entomol. Soc.7:81.


Large, robust, opaque sanguineo-ferruginous; tips of mandibles, dot on each aide of clypeus, two spots behind antenna, line connecting ocelli, flagellum, sutures of thorax laterally and beneath, three obscure stripes on mesothorax and middle of metathorax, black ; third joint of antenna a little more than one half the length of fourth; mesothorax coarsely aud confluently punctured; scutellum prominently bilobed: wings uniformly fuscous; basal half of first abdominal segment black. Length .60 inch. Hab.?Georgia, (Morrison). One specimen. This and grandie Cress., are our largest species.


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Updated: 2024-04-19 17:13:01 gmt
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