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Nomia nortoni Cresson, 1868
Nomia cressoni Westwood, 1875; Nomia nortoni Dalla Torre, 1896, emend; Nomia nortoni var plebeia Cockerell, 1910; Nomia (Acunomia) nortoni cressoni Westwood, 1875, valid subspecies

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Nomia
Subgenus: Acunomia

Nomia nortoni FEM comp
© Copyright Laurence Packer 2014 · 7
Nomia nortoni FEM comp

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Nomia nortoni MALE mm x ZS PMax
© Copyright Laurence Packer 2014 · 7
Nomia nortoni MALE mm x ZS PMax
Nomia nortoni, Patrick Coin
Patrick Coin · 1
Nomia nortoni, Patrick Coin

Nomia nortoni, Patrick Coin1
Patrick Coin · 1
Nomia nortoni, Patrick Coin1
Nomia nortoni, male, hindtibia
© USDA Bee Biology and Systematics Laboratory, Logan Utah · 1
Nomia nortoni, male, hindtibia

Nomia nortoni, female, back
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, female, back
Nomia nortoni, female, face
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, female, face

Nomia nortoni, female, side
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, female, side
Nomia nortoni, female, wing
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, female, wing

Nomia nortoni, male, face
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, male, face
Nomia nortoni, male, genitals
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, male, genitals

Nomia nortoni, male, side
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, male, side
Nomia nortoni, male, top
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, male, top

Nomia nortoni, male, wing
© John B. Pascarella, Valdosta State University, Georgia · 1
Nomia nortoni, 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 16 mm.; pubescence short, pale yellowish and rather dense over most of head and on thorax laterally, becoming fuscous on dorsum of thorax; head slightly broader than long; eyes very slightly convergent below; supraclypeal area convex and considerably elevated above level of face; inner mandibular tooth considerably removed from tip; cheeks slightly broader than eyes; lateral ocelli subequally distant from eyes and each other; antennae considerably nearer to each other than to eyes; median portion of face above somewhat shining, with very fine, irregular and rather close punctures evident, but areas on each side densely tessellate and impunctate, lower part of face rather closely, deeply and distinctly punctate, punctures on supraclypeal area sparse in center but close on each side, clypeus with shallow and rather coarse and close punctures; vertex with rather deep, distinct and close punctures medially, these becoming very minute and barely visible back of eyes, cheeks rather smooth, somewhat shining, with barely distinguishable, minute and close punctures; scutum shining over central area of posterior half, with variable punctures, becoming very closely punctate laterally and densely rugose over most of anterior half; scutellum shining, with a faint, median impression and sparse, irregular punctures; pleura dull, closely and densely punctate or rugose, punctures somewhat more distinct along posterior margin; dorsal area of propodeum extremely narrow, hardly half as wide as metanotum, with very fine, barely distinguishable striations, the posterior and lateral faces dull and densely tessellate, with vague, well separated punctures visible at certain angles; tegulae black, enlarged and produced posteriorly, with a broadly rounded, apical margin; wings faintly infuscated or subhyaline, becoming quite deeply clouded apically, veins and stigma piceous; legs piceous, spurs brownish-testaceous; basal abdominal tergum rather dull, with fine, well separated but not sparse punctures, apical depressed margin very finely and closely punctate, but apical rim becoming narrowly shining and impunctate; terga 2-4 with broad, conspicuous, greenish, integumental bands apically, discs finely and densely punctate, those of 2-3 becoming narrowly shining and almost impunctate just before the depressed apical margin, this finely and densely punctate in the dark portions, discs of 4 and 5 densely and very finely punctate and dull, with short, suberect, black pubescence, becoming somewhat more elongate apically, the more basal terga with some blackish and extremely short pubescence toward sides of discs, with a fringe of rather elongate, subappressed hairs overlying the depressed apical margins.

MALE—Length 18 mm.; black, abdomen with pearly green, apical integumental bands, and legs yellowish or testaceous in part; pubescence ochraceous on head, thorax, legs and basal segments of abdomen, the more apical terga with some black pubescence; head considerably broader than long; eyes slightly convergent below; clypeus quite fiat, largely bare; mandibles simple; cheeks very slightly broader than eyes; lateral ocelli subequally distant from eyes and each other; antennae subequally distant from eyes and each other, scape rather short, quite densely pubescent, pedicel largely hidden by a deep, apical concavity of the scape, basal segment of flagellum much longer than broad, the following segments fully twice as long as broad, apical segment much elongated, segments piceous above, pale testaceous to brownish beneath; median area of face densely ochraceous pubescent, completely hiding surface, clypeus, shining, with only scattered and very minute punctures, area laterad of ocelli smooth but rather dull, with fine and sparse punctures, these coarser and rather close on vertex medially, somewhat finer and less definite on cheeks above, becoming rather coarse, distinct and well separated below; punctures of scutum quite coarse and very deep and distinct, slightly separated in center of disc, but otherwise closely crowded, almost rugose; scutellum deeply grooved in center, punctures rather coarse on each side where they are somewhat separated, becoming close, irregular and quite deep at each extreme side; pleura rather dull, closely and quite deeply punctate beneath dense pubescence, dorsal area of propodeum very narrow, much narrower than metanotum, irregularly striate, posterior face smooth and shining, with coarse, deep and rather close punctures, lateral faces more densely pubescent, with very fine but close, deep and distinct punctures; tegulae piceous, rather broadly expanded apically where the margins are yellowish-hyaline; wings pale fuliginous, somewhat clouded apically, stigma more ferruginous, veins ferruginous to piceous; discs of abdominal terga very closely and deeply punctate, 1st and 2nd rather coarsely so, the more apical terga very finely so, impressed apical margins of 2-5 with bright, pearly green, integumental bands, these areas impunctate, but becoming deeply, finely punctate toward discs, discal pubescence rather copious and ochraceous on the more basal terga, becoming black, thinner and more elongate and erect on the more apical segments; abdominal sterna 3 and 4 with a deep, median groove, area on each side flattened and bare, dull, but without evident punctures, terga 5-8 retracted and highly modified as shown (fig. 124), 5 with a pair of apical, densely short-setose areas; gonostyli much dilated and flattened apically, apex recurved toward base and fringed with short, robust setae, each gonostylus with a ventral, spatulate lobe, which is closely applied to its ventral surface, other characters as shown (fig. 120).

DISTRIBUTION — North Carolina to Florida, west to Colorado and Mexico; July to November in the East.

FLOWER RECORDS—Clethra, Helenium, Ligustrum and Rhus. Robertson (1929) records this (as Paranomia nortonii) on Cirsium, Desmodium, Eryngium, Melilotus, Oenothera, Petalostemum and Pycnanthemum.

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Fabaceae  Chamaecrista fasciculata @ BBSL (2)

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Updated: 2018-10-16 16:48:01 gmt
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