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Colletes susannae Swenk, 1925
Life   Insecta   Hymenoptera   Apoidea   Colletidae   Colletes
Subgenus: None

Colletes susannae FEM mm .x ZS PMax
© Copyright Laurence Packer 2014 · 7
Colletes susannae FEM mm .x ZS PMax

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Colletes susannae, Barcode of Life Datat Systems
Barcode of Life Data Systems · 1
Colletes susannae, Barcode of Life Datat Systems
Reprinted with permission from: Mitchell, T.B. 1960 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 141.

FEMALE—Length 10 mm; length of face about equal to distance between eyes above; eyes convergent below; malar space very short; facial fovae subtriangular, quite broad; clypeus bare, finely and closely punctate; punctures relatively sparse on supraclypeal area; antennal segments nearly as long as broad; lateral angles of prothorax triangularly acute but not spined; metapleural protuberance well developed, its carinate margin narrowly yellow; front coxae with elongate, well developed spines; spurs yellowish; hind basitarsi about three and a half times longer than broad; tegulae yellowish-hyaline; wings white, veins and stigma pale yellow, 2nd submarginal cell slightly longer than 3rd; dorsum of thorax covered with dense, white pubescence, obscuring the rather deep and distinct punctures, these well separated in center of scutum posteriorly; scutellum impunctate anteriorly, becoming rather closely punctate along hind margin; pubescence of pleura not so dense, punctures rather shallow but distinct; dorsal area of propodeum coarsely striate, lateral faces largely bare but with a dorsal fringe, posterior face thinly pubescent; abdominal terga minutely and closely punctate, apical margins broadly yellowish, only slightly depressed toward sides, with broad, dense, entire fasciae of closely appressed, whitish tomentum, pubescence of discs very thin and entirely pale.

MALE—Length 10 mm.; length of face slightly less than distance between eyes above; eyes convergent below; malar space short. about one-third as long as basal width of mandible; facial foveae small but evident; vertex narrow back of lateral ocelli which are slightly nearer eyes than to each other; basal segment of flagellum blackish, about as broad as long, and slightly longer than pedicel, following segments more brownish-testaceous, length only slightly greater than breadth; clypeus protruding only slightly below suborbital line, closely and finely punctate above, the punctures becoming somewhat mire distinctly separated below; punctures of face obscured by the dense pubescence, those on vertex minute and indistinct, becoming more distinct but still rather fine on the shining cheeks below; pubescence of head and thorax white, dense on face, cheeks and over most of thorax; metapleural protuberance well developed, the carinate margin narrowly yellow; legs piceous basally, tibiae faintly reddened at base and apex of mid and hind legs, tarsi testaceous; spurs pale testaceous; tegulae yellowish-hyaline, practically impunctate; wings whitish-hyaline, veins and stigma yellowish, 2nd submarginal cell somewhat longer than 3rd; punctures of scutum beneath pubescence well separated in center of disc, becoming closer anteriorly and laterally, scutellum shining and impunctate anteriorly, becoming closely punctate posteriorly; pleura distinctly and rather closely punctate above, becoming somewhat more coarsely, deeply and sparsely so below; dorsal area of propodeum about as broad as metanotum, shining, obscurely and rather irregularly striate, lateral faces with rather dense, elongate pubescence, posterior face shining, with a few minute and obscure punctures; abdominal terga rather dull, very finely and closely punctate, but punctures of basal segment more distinctly separated, apical margins of terga yellowish-hyaline beneath the dense, entire, white fasciae, basal segment thinly pubescent, remaining segments with very thin, fine, suberect pubescence.

DISTRIBUTION—This is primarily western in distribution, ranging from Alberta to Manitoba, and from Colorado, Nebraska and South Dakota to Minnesota, Iowa and Wisconsin; from July 1st to mid August.

FLOWER RECORDS- Helianthus and Kuhnistera.

Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Helianthus petiolaris @ AMNH_BEE (1)
Fabaceae  Amorpha canescens @ AMNH_BEE (5)

Dalea candida @ AMNH_BEE (8)

Dalea purpurea @ AMNH_BEE (11)

Petalostemon purpureus @ BBSL (3)

Petalostemon @ AMNH_BEE (3)

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Updated: 2023-09-29 20:14:05 gmt
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