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Nomada sophiarum Cockerell, 1903
Nomada (Nomadula) sophiarum Cockerell, 1903; Centrias sophiarum (Cockerell, 1903)

Life   Insecta   Hymenoptera   Apoidea   Apidae   Nomada
Subgenus: None


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Reprinted from: Cockerell,T.A. 1903. New American hymenoptera, mostly of the genus Nomada. Ann. Mag. Nat. Hist. 64(3): 213-214

—Length 8-^ millim. Black, with very pale yellow markings and red legs ; more hairy than usual, the pubescence silvery white, dense and appressed on face, and giving the abdomen a pruinose appearance. Facial quadrangle longer than broad, slightly narrowed below ; eyes light green ; mandibles except tips, labrum, and face up to level of antennae (except a little black below antennas) light yellow, the lateral marks ending abruptly at level of antennas ; the usual small spots on margin of clypeus ; no yellow behind eyes ; mandibles simple, extremely broad at base ; scape cylindrical, much swollen, black above, light yellow beneath ; third antennal joint conspicuously shorter than fourth ; flagellum orange, black or blackish above on joints 3, 4, 5, and 11, joints somewhat crenulated, the apical one (13) pointed ; mesothorax with extremely dense large punctures, much covered by hair in front ; margin of prothorax above, tubercles, irregularly semilunar mark below, tegulse, two small spots at anterior corners of scutellum, and two small marks on postscutellum light yellow. Wings unusually clear, the apical margin dusky, and the light spot distinct ; stigma ferruginous, nervures fusco-ferruginous
second submarginal cell broad above ; transverso-medial nervure meeting basal. Legs light red, hind coxge and femora black behind except at apex; hair on tarsi pale golden ; abdomen rather long, first segment red, with the base black, and a pair of small black marks about the middle subdorsally; remaining segments black, with very broad pale yellow bands, not or hardly narrowed in the middle
punctures of abdomen close and distinct ; apical plate red, very feebly notched ; venter red, with much black on first, fourth, and fifth segments. Bab. Mesilla Park, New Mexico, April 16, at flowers of Sophia (Cockerel!). The Sophia was probably S. andrenarum, but perhaps S. halictorum ; the two species had not then been distinguished.


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Updated: 2024-03-28 21:14:01 gmt
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