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Colletes eulophi Robertson, 1891
Colletes illinoiensis Robertson, 1891

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Colletes
Subgenus: None

Colletes eulophi, female AMNH BEE00211203-2
© Copyright Hadel Go 2011-2016 · 8
Colletes eulophi, female AMNH BEE00211203-2

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Colletes eulophi, female AMNH BEE00211203-1
© Copyright Hadel Go 2011-2016 · 7
Colletes eulophi, female AMNH BEE00211203-1
Colletes eulophi, female AMNH BEE00211203-3
© Copyright Hadel Go 2011-2016 · 7
Colletes eulophi, female AMNH BEE00211203-3

Colletes eulophi, male AMNH BEE00211204-1
© Copyright Hadel Go 2011-2016 · 7
Colletes eulophi, male AMNH BEE00211204-1
Colletes eulophi, male AMNH BEE00211204-3
© Copyright Hadel Go 2011-2016 · 7
Colletes eulophi, male AMNH BEE00211204-3

Colletes eulophi, male AMNH BEE00211204-2
© Copyright Hadel Go 2011-2016 · 6
Colletes eulophi, male AMNH BEE00211204-2
Colletes eulophi, Barcode of Life Data Systems
Barcode of Life Data Systems · 1
Colletes eulophi, Barcode of Life Data Systems

Colletes eulophi, dorsal ventral and lateral genital armature, sternum 7,
© Copyright source/photographer · 1
Colletes eulophi, dorsal ventral and lateral genital armature, sternum 7,
Colletes eulophi, figure10a
Mitchell, Bees of the Eastern United States, Vol. I, 1960 · 1
Colletes eulophi, figure10a
Overview
Reprinted with permission from: Mitchell, T.B. 1960 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 141.


This species is so closely related to kincaidii that the two are distinguished only with difficulty. No reliable or constant difference between the females of the two species can be given, and it is best to rely on the males for positive identification. In that sex the one apparently constant difference in the form of the retracted 7th abdominal sternum. The figures (Plate 9) will show the difference. In kincaidii the discs this plate are relatively broad at the base, abruptly expanded above the base, and this area is densely setose to the inner margin. In contrast, the discs in eulophi are somewhat narrower at base, are much more gradually expanded above toward the apex, and the inner half of the base is devoid of setae.
In all other characters the description of both sexes in kincaidii will serve equally well for eulophi.


DISTRIBUTION—According to Stephen (1954) this occurs in Illinois, Ohio, Kentucky, the District of Columbia, Virginia, West Virginia and North Carolina, and is widely distributed in the West as far as Arizona and Utah. In North Carolina it is in flight from June to early November.

FLOWER RECORDS – Aster, Rubus, Solidago. Stephen records it also on Ceanothus fenderli, Clematis, Eupatorium perfoliatum, Melilotus, Solidago nemoralis and Sophia obtusa. In Robertson’s “Flowers and Insects” (19291 this species or the closely related kincaidii Cockerell is recorded on about 30 host plants, some of which are listed above. Since there is a probability of confusion between these two species with respect to these records, they will not he listed here.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Dyssodia papposa @ AMNH_BEE (1)

Parthenium hispidum @ AMNH_BEE (2)

Pectis sp @ BBSL (1)

Solidago @ AMNH_BEE (2)

Symphyotrichum lanceolatum @ AMNH_BEE (1)
Fabaceae  Dalea greggii @ BBSL (5)

Prosopis juliflora @ BBSL (23)
Hydrophyllaceae  Eriodictyon angustifolium @ BBSL (1)
Lamiaceae  Perilla @ AMNH_BEE (1)
Malvaceae  Sphaeralcea sp @ BBSL (6)
Mantidae  Iris sp @ BBSL (1)
Rhamnaceae  Ceanothus americanus @ AMNH_BEE (2)

Ceanothus sp @ BBSL (1)
Rutaceae  Ptelea trifoliata @ AMNH_BEE (1)
Scrophulariaceae  Penstemon sp @ BBSL (2)
_  Withheld @ BBSL (78)

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Updated: 2019-02-18 16:44:31 gmt
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