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Colletes brevicornis Robertson, 1897
Colletes opuntiae Cockerell, 1906; Colletes brachyceros Graenicher, 1935, nomen nudum

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Colletes
Subgenus: None

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

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Colletes brevicornis MALE mm .x f
© Copyright Laurence Packer 2014 · 7
Colletes brevicornis MALE mm .x f
Colletes brevicornis, f, back, Pr. Georges Co. Maryland ---.
© Copyright source/photographer · 5
Colletes brevicornis, f, back, Pr. Georges Co. Maryland ---.

Colletes brevicornis, f, back, Pr. Georges County Maryland ---.
© Copyright source/photographer · 5
Colletes brevicornis, f, back, Pr. Georges County Maryland ---.
Colletes brevicornis, f, face, Pr. Georges Co. Maryland ---.
© Copyright source/photographer · 5
Colletes brevicornis, f, face, Pr. Georges Co. Maryland ---.

Colletes brevicornis, f, side, Pr. Georges Co. Maryland ---.
© Copyright source/photographer · 5
Colletes brevicornis, f, side, Pr. Georges Co. Maryland ---.
Colletes brevicornis, m, back, velum, Queen Anne Co, MD ---.
© Copyright source/photographer · 5
Colletes brevicornis, m, back, velum, Queen Anne Co, MD ---.

Colletes brevicornis, m, face, velum, Queen Anne Co, MD ---.
© Copyright source/photographer · 5
Colletes brevicornis, m, face, velum, Queen Anne Co, MD ---.
Colletes brevicornis, m, side, velum, Queen Anne Co, MD ---.
© Copyright source/photographer · 5
Colletes brevicornis, m, side, velum, Queen Anne Co, MD ---.

Colletes brevicornis, female, abdside
John B. Pascarella · 1
Colletes brevicornis, female, abdside
Colletes brevicornis, female, abdside2
John B. Pascarella · 1
Colletes brevicornis, female, abdside2

Colletes brevicornis, female, abdtop
John B. Pascarella · 1
Colletes brevicornis, female, abdtop
Colletes brevicornis, female, ant
John B. Pascarella · 1
Colletes brevicornis, female, ant

Colletes brevicornis, female, face
John B. Pascarella · 1
Colletes brevicornis, female, face
Colletes brevicornis, female, faceside
John B. Pascarella · 1
Colletes brevicornis, female, faceside
Overview
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 9 mm.; eyes convergent below; malar space lacking; facial foveae rather broad, subtriangular, rounded above; antennae reddened, length and breadth of segments subequal; clypeus uniformly, closely and deeply punctate; punctures relatively sparse on supraclypeal area; pubescence rather short, white, fuscous in part on dorsum of thorax; lateral angles of prothorax not spine-like; metapleural protuberance obscurely carinate, margin of the carina black; tegulae reddened; wings hyaline, violaceous, veins and stigma piceous to ferruginous; scutum, scutellum and pleura shining, deeply, coarsely and quite uniformly punctate, close except on scutellum and posterior portion of scutum; tarsi dark, mid and hind spurs brownish; anterior spurs more yellowish; coxal spines lacking; basitarsi narrow, elongate, length nearly four times the breadth; punctures of abdominal terga close and deep, those on basal segment only slightly less coarse than those on thorax, distinctly but not widely separated, becoming somewhat finer and closer on the more apical segments; apical margins of terga abruptly reflexed, having a quite deep subapical groove, little if any reddened, with entire white fasciae, narrow on 1st and 2nd segments, broader and more dense on 3rd, 4th and 5th.

MALE—Length 7-8 mm.; eyes convergent below; malar space linear, barely evident; antennae reddish, median segments short, only slightly longer than broad; clypeus very finely and densely punctate beneath pubescence; pubescence rather short, white, fuscous in part on dorsum of thorax; lateral angles of pro- thorax not spine-like; metapleural protuberance obscurely carinate, margin of the carina black; tegulae reddish; wings hyaline, violaceous, veins and stigma piceous to ferruginous; scutum, scutellum, and pleura shining, punctures uniformly distributed, fine and rather sparse on scutum, somewhat more coarse, basitarsi slender; punctures of basal abdominal tergum about equal to those on scutum, but closer, those on following segments becoming closer and finer; apical margins of the terga reflexed, having a deep subapical groove; abdominal fasciae entire, white, thin on the two basal segments, more dense on the following segments.

DISTRIBUTION—North Carolina, Georgia, Florida and Louisiana, north to New Jersey, Michigan, Wisconsin and Minnesota; late March through June. This species extends westward to the Rockies.

FLOWER RECORDS — Batodendron, Crataegus, Rubus and Specularia. Stephen records it on Asclepias, Callirhoe, Campanula, Melilotus and Opuntia. In addition, it is recorded by Robertson (1929) on Pastinaca sativa and Psoralea onobrychis.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Echinacea pallida @ AMNH_BEE (1)
Campanulaceae  Campanula rotundifolia @ BBSL (3); AMNH_BEE (18); BBSL__BOULD (5)

Campanula @ AMNH_BEE (1)

Triodanis leptocarpa @ AMNH_BEE (1)

Triodanis perfoliata @ AMNH_BEE (1)
Lamiaceae  Teucrium occidentale @ AMNH_BEE (1)
Linaceae  Linum rigidum @ AMNH_BEE (1)
Malvaceae  Sphaeralcea coccinea @ AMNH_BEE (1)
Rhamnaceae  Ceanothus americanus @ AMNH_BEE (1)

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Updated: 2017-04-25 20:57:58 gmt
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