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© Copyright source/photographer
· 7
Anthophora walshii, f, face, Pennington Co., SD |
© Copyright source/photographer
· 7
Anthophora walshii, f, left, Pennington Co., SD |
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Michael Veit · 6
Anthophora walshii, at nest site -- |
Michael Veit · 6
Anthophora walshii, at nest site -- |
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Michael Veit · 6
Anthophora walshii, at nest site -- |
Michael Veit · 6
Anthophora walshii, f on Baptisi -- |
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Michael Veit · 6
Anthophora walshii, f on Baptisi -- |
J. Devalez · 1
Anthophora walshii |
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J. Devalez · 1
Anthophora walshii |
J. Devalez · 1
Anthophora walshii |
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J. Devalez · 1
Anthophora walshii |
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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 1446 mm., breadth of abdomen 5.5-6.5 mm.; black, the antennae black, legs piceous to black, spurs and tegulae brownish-piceous; wings subhyaline, veins brownish to piceous; apical margin of basal abdominal tergum narrowly ivory and the rather narrow, apical, impressed areas of terga 2-4 ivory, in marked contrast to the otherwise black integument; cheeks slightly narrower than eyes; clypeus only slightly protuberant, its median length about half the distance between eyes below; labrum somewhat broader than the median length; mandible with a distinct, inner, subapical tooth; eyes very slightly convergent below; basal segment of flagellum only slightly shorter than segments 2-4 combined; punctures of face laterally fine and densely crowded, becoming very minute and vague above, the more median punctures much coarser and quite close; clypeus with rather coarse punctures above, these becoming much finer and closer laterally and apically; labrum rather finely and irregularly reticulate or rugose; cheeks rather smooth but dull, punctures exceedingly minute and obscure but rather close; scutum dull and densely tessellate, without evident punctures, and scutellum largely impunctate medially, becoming rather finely, obscurely and closely punctate laterally; pleura dull and tessellate, without evident punctures; posterior face of propodeum somewhat more shining, with exceedingly minute, rather vague and close punctures, lateral faces dull and tessellate, punctures hardly evident; basal abdominal tergum dull, very minutely and densely punctate beneath the pubescence; terga 2-5 dull but quite smooth, punctures exceedingly minute, hardly visible, well separated but hardly sparse; pygidium narrowly triangular, apex narrowly rounded; clypeus and supraclypeal area with numerous, rather short but erect, dark hairs, the pubescence on face laterally and above, and on cheeks quite copious and elongate, rather yellowish above, whitish below; entire thorax rather densely covered with pale pubescence, that on dorsum rather short, pale yellowish, becoming mere elongate and whitish below; pubescence very long and dense on propodeum laterally, behind wing bases; legs largely blackish or dark pubescent, but front and mid tibiae with some short, appressed, pale pubescence on outer face apically, the femora fringed posteriorly with pale hairs, hind tibial scopa pale yellow; basal abdominal tergum densely pale ochraceous pubescent, discs of the following terga with very short, suberect, scattered black hairs evident only under high magnification, these becoming more elongate, erect and conspicuous on the more apical terga, and tergum 5 with some pale hairs along lateral margins.
MALE—Length 16 mm., breadth of abdomen 6 mm.; black, apical half of clypeus and entire labrum yellow, upper half of clypeus with a median yellow line; mandibles broadly yellow at base; margin of supraclypeal area adjacent to clypeus narrowly yellow, and broad, lateral, yellow maculations filling area between clypeus and eye margin, extending narrowly up margin of eye to level of antennae; antennal scape yellow anteriorly; legs and spurs brownish-piceous, tegulae brownish-testaceous; wings subhyaline, veins brownish to piceous; apical rim of basal abdominal tergum, and the rather narrow, apical impressed areas of terga 2-6 ivory, in marked contrast to the otherwise black surface; cheeks somewhat narrower than eyes; clypeus rather strongly protuberant, its median length slightly greater than half the distance between eyes below; eyes subparallel; mandible with an inner, subapical tooth; basal segment of flagellum slightly shorter than segments 2 and 3 combined; hind basitarsi relatively straight and unmodified; lateral punctures on upper part of face minute and very close, the more median area below ocelli dull, very finely and obscurely punctate, maculated areas below very finely, quite sparsely and obscurely punctate, clypeus quite smooth, punctures hardly evident; punctures of 1abrum somewhat more distinct but scattered and irregular, becoming sparse laterally; apical margin of labrum with a pair of small, median denticles; cheeks quite smooth beneath pubescence, very minutely, obscurely and rather closely punctate; surface of scutum, scutellum and pleura smooth but dull, without evident punctures; propodeum somewhat more shining, posterior face with exceedingly minute, scattered and rather sparse punctures barely evident, lateral faces impunctate; basal abdominal tergum obscured by dense pubescence, punctures inevident; terga 2-6 smooth but dull, punctures exceedingly minute and barely visible, well separated but not sparse; head, thorax, legs and basal abdominal tergum entirely pale ochraceous pubescent, becoming somewhat more whitish on cheeks below and on legs and venter of thorax; discs of abdominal terga 2-5 with very fine, short, erect, dark pubescence, this becoming pale laterally and more elongate on the more apical terga; tergum 7 rather narrowly produced medially, this area slightly in- curved; sterna 7 and 8 and genital armature as shown (fig. 93).
DISTRIBUTION—Kansas and Nebraska, east to the New England states, in August.
FLOWER RECORDS — Baptisia and Chamaecrista. This is recorded by Robertson (1929) on Abutilon, Blephilia, Cassia, Cirsium, Helianthus, Lepedeza, Lobelia, Petalostemum, Ruellia and Teucrium.
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Updated: 2024-04-25 23:41:41 gmt
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