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Colletes aestivalis Patton, 1879
Colletes heucherae Robertson, 1891

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Colletes
Subgenus: None

Colletes aestivalis, female AMNH BEE00208337-2
© Copyright Hadel Go 2011-2016 · 8
Colletes aestivalis, female AMNH BEE00208337-2

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Colletes aestivalis, female AMNH BEE00208337-1
© Copyright Hadel Go 2011-2016 · 7
Colletes aestivalis, female AMNH BEE00208337-1
Colletes aestivalis, female AMNH BEE00208337-3
© Copyright Hadel Go 2011-2016 · 7
Colletes aestivalis, female AMNH BEE00208337-3

Colletes aestivalis, male AMNH BEE00208338-1
© Copyright Hadel Go 2011-2016 · 7
Colletes aestivalis, male AMNH BEE00208338-1
Colletes aestivalis, male AMNH BEE00208338-3
© Copyright Hadel Go 2011-2016 · 7
Colletes aestivalis, male AMNH BEE00208338-3

Colletes aestivalis, male AMNH BEE00208338-2
© Copyright Hadel Go 2011-2016 · 6
Colletes aestivalis, male AMNH BEE00208338-2
Colletes aestivalis, genital armature
© Mitchell, 1960 · 1
Colletes aestivalis, genital armature

Colletes aestivalis, sternum 7,
© Copyright source/photographer · 1
Colletes aestivalis, sternum 7,
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 10-11 nun.; length of face slightly exceeding greatest width; eyes subparallel, only very slightly convergent below; length of molar space about one-fourth its breadth; facial foveae extensive, subtriangular, slightly curved toward the lateral ocelli above; antennae dark, median segments slightly longer than broad; clypeus somewhat shining, hut finely, contiguously and striately punctate, especially above, with punctures of supraclypeal area sparse in marked contrast; pubescence greyish-white, slightly yellowish on dorsum of head and thorax, without dark admixture; lateral angles of prothorax acute, but not spine-like; metapleural protuberance with a very low obscure carina; tegulae dark; wings subhyaline, very slightly violaceous, veins and stigma ferruginous; 2nd submarginal cell considerably shorter than 3rd; scutum shining, rather finely but distinctly punctate, those in front separated by about a puncture width, becoming very sparse posteriorly; puncture of scutellum more coarse, crowded posteriorly, but very sparse along anterior margin; pleura dull, tessellate, punctures about equal to those of scutum but more crowded; dorsal portion of propodeum smooth between the rather close, parallel striae; legs, including tarsi dark, coxal spines well developed; hind basitarsi slender, parallel—sided, length about four times the breadth; spurs yellowish-ferruginous; abdominal terga rather dull, punctures fine hut distinct, separated by two or three times the puncture width, apical margin somewhat hyaline, slightly depressed beneath the dense, entire, white, apical fasciae, but segment 5 not fasciate; discal pubescense fuscous, short and erect on abdominal terga beyond the first,

MALE—Length 10 mm.; length of face slightly exceeding its greatest width; eyes subparallel, only very slightly convergent below; length of na1ar space about one-third its breadth; antennae dark, median segments twice as bag as broad; clypeus very finely and densely punctate beneath the pubescence; pubescence greyish-white, slightly yellowish on dorsum of head and thorax, without dark admixture; lateral angles of prothorax acute, but not spine-like; metapleural protuberance with a very low obscure carina; tegulae dark; wings subhyaline, very slightly violaceous, veins and stigma ferruginous; 2nd submarginal cell considerably shorter than 3rd; scutum somewhat shining, punctures fine but distinct, separated by two or three times the puncture width over anterior portion of disc. becoming somewhat more sparse posteriorly; anterior margin of scutellum impunctate, otherwise the punctures more course, close and deep than on scutum; posterior portion of pleura with shallow, distinctly separated punctate, interspaces shining, but surface dull, tessellate and very obscurely punctate anteriorly and above; striae of dorsal face of propodeum parallel and quite close; legs dark, basitarsi slender and parallel-sided, length of hind basitarsi about four times the breadth; spurs yellowish-ferruginous ; abdominal terga somewhat shining between the minute, well separated punctures, apical margins slightly depressed, paler in color beneath the entire narrow, white, apical fasciae; discal pubescence fuscous, short and erect on abdominal terga beyond the 1st.

DISTRIBUTION—--Illinois to New York and Massachusetts, south to Tennessee, North Carolina and Georgia; mid May to mid July.

FLOWER RECORDS—Heuchera americana and H. hispida. Robertson (1929) records aestivalis on Apocynum cannabinum, Heracleum lanatum, Krigia amplexicaulis, Polytaenia nuttallii, Rhus glabra, Ribes gracile, Rubus villosus, Taenidia integerrima and Zizia aurea.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
J. rykken  575 @ JRYB__SHEN (1)
Saxifragaceae  Heuchera americana @ AMNH_BEE (5)

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Updated: 2017-06-24 15:52:56 gmt
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