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Hylaeus basalis (Smith, 1853)
Prosopis basalis Smith, 1853

Life   Insecta   Hymenoptera   Apoidea   Colletidae   Hylaeus
Subgenus: Cephalylaeus

Hylaeus basalis, face 2012-07-09-18.55.44 ZS PMax
© Copyright source/photographer · 9
Hylaeus basalis, face 2012-07-09-18.55.44 ZS PMax

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Hylaeus basalis FEM CFP f
© Copyright Laurence Packer 2014 · 7
Hylaeus basalis FEM CFP f
Hylaeus basalis MALE CFP f
© Copyright Laurence Packer 2014 · 7
Hylaeus basalis MALE CFP f

Hylaeus basalis, back ---.
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Hylaeus basalis, back ---.
Hylaeus basalis, side ---.
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Hylaeus basalis, side ---.

Hylaeus basalis, F, Side, Michigan, Keweenaw County ---.
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Hylaeus basalis, F, Side, Michigan, Keweenaw County ---.
Hylaeus basalis, F, Side, NY, Gravel Pits ---.
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Hylaeus basalis, F, Side, NY, Gravel Pits ---.

Hylaeus basalis, figure14p
Mitchell, Bees of the Eastern United States, Vol. I, 1960 · 1
Hylaeus basalis, figure14p
Hylaeus basalis, female, head
© USDA Bee Biology and Systematics Laboratory, Logan Utah · 1
Hylaeus basalis, female, head

Hylaeus basalis, male, head
© USDA Bee Biology and Systematics Laboratory, Logan Utah · 1
Hylaeus basalis, male, head
Hylaeus basalis, male, scape
© USDA Bee Biology and Systematics Laboratory, Logan Utah · 1
Hylaeus basalis, male, scape

Hylaeus basalis, male, face,
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Hylaeus basalis, male, face,
Hylaeus basalis, sterna 7 and 8,
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Hylaeus basalis, sterna 7 and 8,

Hylaeus basalis dorsal and ventral genital armature,
© Copyright source/photographer · 1
Hylaeus basalis dorsal and ventral genital armature,
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 8-9 mm.; entirely black, with neither facial nor thoracic maculations; facial foveae well developed, linear, separated from eyes by a wider space, slightly diverging from eyes above; basal segment of flagellum slightly longer than pedicel or 2nd segment, which are subequal; cheeks broader than eyes; malar space very short, almost absent; pleural punctures slightly more coarse and sparse than those of scutum, subequal to those of scutellum; abdomen shining and impunctate at base, becoming more closely punctate and dull apically, but the punctures exceedingly minute and obscure; tegulae reddish-piceous; wings lightly infuscated; antennae and legs obscurely reddened.

MALE—Length 8-9 mm.; entire thorax and abdomen black; head and legs blackish except for the following pale yellow maculations; outer half of scape, entire face below antennae but excluding labrum and mandibles, apical third of inner face of front femora, front tibiae anteriorly, basal and apical spots on mid tibiae and basitarsi, basal third and an apical spot on hind tibiae and basitarsi; tarsi otherwise reddish; antennae and tegulae reddish-piceous; wings lightly infuscated; scape enormously enlarged, fully as broad as long, and covering entirely the upper third of the face; cheeks broader than eyes; thorax rather closely and deeply punctate throughout; abdomen very finely and obscurely punctate, rather sparsely so toward base.

DISTRIBUTION — Southern Canada, from British Columbia to Nova Scotia and Newfoundland, south to Idaho, Colorado, Wisconsin, Michigan and New York; May to August.



Extracted from Studies on North American Bees of the Genus Hylaeus. 4. The Subgenera Cehalylaeus, Metziella and Hylaeana by Snelling, R.R. (1868)

Prosopis basalis. F . Smith. 1853. Catalogue of Hymenoptera in the British Museum, 1 :22. ~ 3. Prosopis basalis, Melz, 1911. Trans. Amer. Ent. Soc., 37: 102-103. Q t. Hylaeus (Cephalylaells) basalis, Michener, 1942. Jour. N.Y. Ent. Soc., 50:274. Milchell, 1960. Tech. Bul. 141 , North Carolina Agr. Exp. Sla., pp. 76-77. This is a widely distributed species in montane areas of the United States and Canada. In the southern portions of its range it is found only at high elevations in the various major north-south mountain ranges. It is, however, rarely taken in large numbers, and, like its close relative H. nunenmacheri Bridwell , exhibits a decided preference for flowers of the family Rosaceae.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Apiaceae  Oxypolis occidentalis @ UCRC_ENT (1)

Zizia aurea @ AMNH_BEE (12)
Asteraceae  Achillea millefolium @ AMNH_BEE (1)

Arnica fulgens @ BBSL (1)

Aster sp @ BBSL (1)

Rudbeckia sp @ BBSL (1)

Taraxacum officinale @ BBSL (1)
Ericaceae  Arctostaphylos patula @ UCRC_ENT (1)
Geraniaceae  Geranium fremontii @ UCRC_ENT (1); BBSL (2)

Geranium sp @ BBSL (2)
Grossulariaceae  Ribes aureum @ BBSL (1)
Hydrophyllaceae  Phacelia leptosepala @ BBSL (1)
Polygonaceae  Eriogonum umbellatum @ DART_ENT (2)

Polygonum sp @ BBSL (1)
Ranunculaceae  Ranunculus sp @ BBSL (1)
Rhamnaceae  Ceanothus cordulatus @ UCRC_ENT (12)

Rhamnus californica @ UCRC_ENT (10)
Rosaceae  Dasiphora fruticosa @ UCRC_ENT (1)

Pentaphylloides floribunda @ DART_ENT (2)

Potentilla glandulosa @ UCRC_ENT (4); BBSL (2)

Potentilla gracilis @ BBSL (3)

Potentilla pulcherrima @ DART_ENT (1)

Potentilla sp @ BBSL (3)

Rosa arkansana @ UCRC_ENT (1)

Rosa nutkana @ BBSL (1)
_  Withheld @ BBSL (52); BBSL__YOSE (93)

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Updated: 2019-01-20 15:35:05 gmt
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