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Colletes americanus Cresson, 1868
Colletes americana_sic Cresson, 1868

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Colletes
Subgenus: None

Colletes americanus, female AMNH BEE00005831-2
© Copyright Hadel Go 2011-2016 · 8
Colletes americanus, female AMNH BEE00005831-2

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Colletes americanus MALE CFP f
© Copyright Laurence Packer 2014 · 7
Colletes americanus MALE CFP f
Colletes americanus, female AMNH BEE00005831-1
© Copyright Hadel Go 2011-2016 · 7
Colletes americanus, female AMNH BEE00005831-1

Colletes americanus, female AMNH BEE00005831-3
© Copyright Hadel Go 2011-2016 · 7
Colletes americanus, female AMNH BEE00005831-3
Colletes americanus, male AMNH BEE00005819-1
© Copyright Hadel Go 2011-2016 · 7
Colletes americanus, male AMNH BEE00005819-1

Colletes americanus, male AMNH BEE00005819-3
© Copyright Hadel Go 2011-2016 · 7
Colletes americanus, male AMNH BEE00005819-3
Colletes americanus, male AMNH BEE00005819-2
© Copyright Hadel Go 2011-2016 · 6
Colletes americanus, male AMNH BEE00005819-2

Colletes americanus, genital armature
© Mitchell, 1960 · 1
Colletes americanus, genital armature
Colletes americanus, sternum 7,
© Copyright source/photographer · 1
Colletes americanus, sternum 7,

Colletes americanus, female, face side
© John B. Pascarella, Valdosta State University, Georgia · 1
Colletes americanus, female, face side
Colletes americanus, female, rear
© John B. Pascarella, Valdosta State University, Georgia · 1
Colletes americanus, female, rear

Colletes americanus, female, side
© John B. Pascarella, Valdosta State University, Georgia · 1
Colletes americanus, female, side
Colletes americanus, male, mandible
© John B. Pascarella, Valdosta State University, Georgia · 1
Colletes americanus, male, mandible

Colletes americanus, male, wing
© John B. Pascarella, Valdosta State University, Georgia · 1
Colletes americanus, male, wing
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 11 mm.; length of face about equal to greatest distance between eyes; eyes convergent below; molar space very short; facial foveae below; somewhat shining, broad above, acute below; segments of flagellum as broad as long, basal segment slightly longer; clypeus shining, closely, deeply and rather finely punctate pubescence of dorsum of head and thorax ochraceous, quite dense, without black intermixture, becoming paler below; lateral angles of pronotum not spined; dorsal protuberance of metapleura conspicuously carinate, margin of the carina testaceous; tegulae brownish-hyaline; wings hyaline, veins and stigma brownish-ferruginous; punctures on scutum close and deep, rather fine, sparse near center posteriorly; anterior half of scutellum impunctate, closely punctate posteriorly; pleural punctures closely crowded; dorsal area of propodeum narrow, divided into shining pits by striae, these widely spaced medially, close laterally, posterior face of propodeum subreticulate, lateral faces minutely roughened; legs, including scopa, entirely pale pubescent, spurs ferruginous, front coxae spined; hind basitarsi elongate; abdominal punctures minute, sparse on basal segment medially, rather close laterally, very close on following segments; hid margins of abdominal terga reddened; body surface otherwise black; abdominal terga with broad, entire pale ochraceous apical fasciae, disks otherwise with very short entirely pale pubescence not obscuring surface.

MALE—Length 9 mm.; length of face about equal to greatest distance between eyes; eyes convergent below; malar space evident, but very short; foveae smooth, bare, rather broad above, pointed below; basal segment of flagellum about as broad as long, following segments nearly twice as long; pubescence dorsally pale ochraceous with no dark admixture, becoming whitish below, dense on face, obscuring the surface; scutum closely and deeply punctate anteriorly, quite sparsely so posteriorly; scutellum impunctate anteriorly, becoming closely punctate along posterior margin; pleural punctures deep and quite close; dorsal area of propodeum narrow, striate, with regular shining pits, posterior face laterally subreticulate, lateral faces finely subrugose in part; tegulae brownish-ferruginous. hind basitarsi narrow, slender; abdominal punctures very fine, rather sparse medially, close laterally on basal tergum, close on the following terga; hind margins of the terga depressed; apical margins of abdominal sterna brownish- hyaline; abdominal terga with entire, pale ochraceous, apical fasciae, pubescence of discs otherwise very thin and entirely pale.

DISTRIBUTION-—Maine and southern Canada, south to Florida, extending west as far as South Dakota and Kansas; August to November. In Florida, males have been collected as early as May.

FLOWER RECORDS----Aster, Helianthus, Polygonum hydropiperoides, Solidago, smartweed and mint. Stephen records it also on Chrysopsis microcephala. Robertson (1929) records americanus on the following: Boltonia asteroides, Eupatorium altissimum, Gnaphalium polycephalum, Helianthus divaricatus, Lactuca floridana, Lespedeza virginica, Lycopus americanus, Polygonum scandens, Rudbeckia triloba, Sium cicutaefolium, 7 species of Aster and 4 species of Solidago.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Anacardiaceae  Rhus copallina @ UCMS_ENT (1)
Apiaceae  Daucus carota @ UCMS_ENT (1)
Asteraceae  Achillea millefolium @ UCMS_ENT (1)

Aplopappus sp @ BBSL (1)

Aster dumosus @ AMNH_BEE (2)

Aster ericoides @ AMNH_BEE (2)

Aster lateriflorus @ AMNH_BEE (1)

Aster @ AMNH_BEE (10)

Euthamia caroliniana @ UCMS_ENT (1)

Grindelia @ AMNH_BEE (1)

Pityopsis falcata @ UCMS_ENT (6)

Pityopsis graminifolia @ AMNH_BEE (4)

Pluchea odorata @ UCMS_ENT (3)

Solidago rugosa @ UCMS_ENT (4)

Solidago sempervirens @ UCMS_ENT (6)

Solidago @ UCMS_ENT (7); AMNH_BEE (7); CUIC_ENT (1)

Symphyotrichum ericoides @ AMNH_BEE (2)
Ericaceae  Calluna vulgaris @ UCMS_ENT (1)
Lamiaceae  Lycopus sp @ UCMS_ENT (1)
Plumbaginaceae  Limonium carolinianum @ UCMS_ENT (2)
Polygonaceae  Polygonum hydropiperoides @ BBSL (1); CUIC_ENT (3)

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Updated: 2018-09-23 08:59:20 gmt
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