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© Copyright source/photographer
· 7
Stelis subemarginata, f, face, Washington Co., Maine |
© Copyright source/photographer
· 7
Stelis subemarginata, f, left, Washington Co., Maine |
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© Copyright Laurence Packer 2014
· 7
Stelis subemarginata FEM CFP comp |
© Copyright Laurence Packer 2014
· 7
Stelis subemarginata MALE CFP |
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© Copyright source/photographer
· 5
Stelis subemarginata, F, Back, Michigan, Keweenaw County |
© Copyright source/photographer
· 5
Stelis subemarginata, F, Face, Michigan, Keweenaw County |
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© Copyright source/photographer
· 5
Stelis subemarginata, F, Back, Michigan, Keweenaw County |
© Copyright source/photographer
· 5
Stelis subemarginata, F, Face, Michigan, Keweenaw County |
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© Copyright source/photographer
· 5
Stelis subemarginata, F, Side, Michigan, Keweenaw County |
Barcode of Life Data Systems · 1
Stelis subemarginata, Barcode of Life Data Systems |
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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 8mm.; head, thorax and legs entirely black, abdomen black, with transverse, yellow maculae; face somewhat longer than distance between eyes above; eyes very slightly convergent below; lateral ocelli sub-equally distant from margin of vertex, eyes and each other; clypeus rather flat, apical margin with a pair of conspicuous tubercles delimiting a shallow, median, emarginate area; mandibles 3-dentate, middle tooth quite low, slightly nearer inner angle than to apical tooth; cheeks somewhat broader than eyes; basal half of labrum polished and impunctate, apical part quite deeply and distinctly punctate, this area extending narrowly along sides toward base; transverse carina of prothoracic tubercles low but distinct; tegulae rather small, shining, minutely and rather sparsely punctate; wings faintly infuscated, veins more testaceous, recurrent veins received by 2nd submarginal cell well within base and apex, hind tibiae not spinose apically, front and mid tibiae each with a pair of very short, acute, spine-like projections; front spurs pale testaceous, mid and hind spurs piceous; pubescence of head and thorax rather short but copious, pale in general, but face, vertex and dorsum of thorax with scattered, erect, blackish hairs intermixed in the white, abdominal terga with erect and rather sparse but conspicuous, blackish hairs; punctures of head and thorax quite deep and distinct, very close on cheeks and over most of face, slightly separated between eyes and ocelli, close and coarse on pleura, coarse and slightly separated on scutum and scutellum; posterior face of propodeum shining above, with a rather indefinite, transverse, rugose area, but without distinct pits; abdominal terga smooth and shining, with rather fine, sparse punctures, these becoming slightly closer toward the depressed apical margins which are largely impunctate and black; terga 1-5 with bright yellow, narrow, transverse bands which are very slightly interrupted medially, tergum 6 almost as long as the base is broad, with rather fine, somewhat separated punctures which become densely crowded at tip; abdominal sterna finely, densely and distinctly punctate, the punctures becoming minute and densely crowded apically, sternum 6 quite broadly rounded.
DISTRIBUTION — According to the Catalog of Hymenoptera (1951, p. 1149) this occurs from Idaho and Wyoming, to Wisconsin, Ontario and New Brunswick. It has been collected by this writer in Colorado in July, at an elevation of 9,500 ft.
HOST — Osmia simillima.
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Updated: 2024-04-23 10:38:55 gmt
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