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Dufourea novaeangliae (Robertson, 1897)
Panurgus novae-angliae Robertson, 1897; Panurgus novaeangliae Robertson, 1897; Conohalictoides lovelli Viereck, 1904; Dufourea (Halictoides) novaeangliae Krombein, 1967

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Dufourea
Subgenus: None

Dufourea novaeangliae, Barcode of Life Datta Systems
Barcode of Life Data Systems · 1
Dufourea novaeangliae, Barcode of Life Datta Systems

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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 9 mm.; black; pubescence rather short, copious on thorax laterally, otherwise quite thin and inconspicuous, pale in general, but somewhat fuscous on apex of abdomen and on front of head; head considerably ably longer than broad; eyes subparallel; clypeus strongly protuberant, considerably broader than long; labrum much broader than long, almost fully exposed, mandibles fitting beneath the large labral process when closed; mandibles with a small, subapical, inner tooth; cheeks above somewhat narrower than eyes, becoming very narrow below; lateral ocelli slightly nearer each other than to eyes; antennae subequally distant from eyes and each other, separated from upper margin of clypeus by a space only very slightly greater than diameter of the antennal fossa; antennae quite short, segments considerably broader than long; punctures deep, distinct, close and rather fine on upper part of face below ocelli, becoming very sparse just below, between antennae and eyes, where the surface is shining, very fine and close on the markedly convex supraclypeal area, coarse, deep and well separated over most of clypeus; punctures minute and slightly separated over most of vertex, becoming somewhat closer and more obscure on upper part of cheeks, lower surface of cheeks laterad of hypostome shining and largely impunctate; scutum somewhat shining, punctures fine, well separated in general, becoming rather sparse in center of disc posteriorly, but not crowded even between notaulices and tegulae; scutellum shining, very faintly impressed medially, punctures very fine, rather evenly and sparsely distributed; pleura somewhat shining, punctures minute, rather close and obscure; dorsal area of propodeum rather finely and completely striate or reticulate, nearly as broad as scutellum, lateral and posterior faces smooth but rather dull, with only very minute and obscure punctures at all evident; tegulae piceous in large part, becoming somewhat yellowish-hyaline ‘along margin; wings lightly infuscated, veins and stigma more ferruginous, recurrent veins entering 2nd submarginal cell about equally distant from base and apex; legs piceous basally, becoming somewhat reddened on the more apical tarsal segments; spurs, especially the mid and hind pair, very long and slender, yellowish at base, becoming reddened apically; abdominal terga quite smooth, the more basal terga shining, with minute and rather close but definitely separated punctures, 4-5 with somewhat coarser and rather close, evenly distributed punctures, apical impressed areas smooth and impunctate, more or less yellowish, discal pubescence very short and obscure, sub- erect, pale, becoming somewhat fuscous on the more apical terga.

MALE—Length 8 mm.; black; pubescence pale ochraceous to whitish laterally, largely fuscous on front of face above, on dorsum of thorax and on the more apical abdominal terga; head much longer than broad; eyes very slightly convergent below; clypeus strongly protuberant, broader than long; labrum much broader than long, entirely exposed by the closed mandibles; mandibles with a distinct, inner, subapical tooth; cheeks narrower than eyes and very much narrowed below; lateral ocelli subequally distant from eyes, from posterior margin of vertex and from each other; antennae subequally distant from eyes and each other, separated from margin of clypeus by a space only slightly greater than diameter of the fossa, basal segment of flagellum about as broad as long, slightly longer than pedicel, segment 2 fully twice as long as broad, median and apical segments not quite so long; punctures below ocelli fine and densely crowded, becoming much more coarse and relatively sparse toward antennae on each side, the strongly convex supraclypeal area densely pubescent, with very close punctures, largely hidden beneath the pubescence, clypeus with shallow and rather close punctures beneath the dense pubescence; punctures of vertex fine, somewhat more separated medially than on face, becoming well separated on each side, cheeks above closely and rather obscurely punctate, the lower part becoming shining and impunctate; scutum and scutellum shining, very finely and rather irregularly punctate, punctures somewhat separated in center of discs, becoming very close, but not crowded, at extreme sides; pleura smooth, shining, punctures minute and rather vague and indistinct; dorsal area of propodeum about equal in width to scutellum, rather finely rugosostriate, posterior and lateral faces smooth but dull and densely tessellate; tegulae brownish-hyaline; wings lightly infuscated, veins and stigma brownish-ferruginous; legs piceous, hind trochanters triangularly produced beneath, hind femora relatively slender but somewhat curved, lower surface flattened and smooth, hind tibiae slender basally, becoming somewhat club-shaped apically, basitarsi slender, parallel-sided, much shorter than tibiae; abdominal terga somewhat shining, minutely punctate, punctures well separated on basal tergum, becoming more closely and obscurely punctate on the more apical terga, apical impressed areas entirely impunctate, more or less reddened, discal pubescence, suberect, thin and obscure, largely pale on the more basal terga, becoming more erect, conspicuous and fuscous on the more apical terga; sterna 1-5 relatively simple, apical margin of 5 rather broadly incurved, 6 with a pair of short, oblique, subapical carinae and a median, apical process, on each side of which the margin is slightly produced, yellowish-hyaline; sterna 7-8 as shown (fig. 129); gonostyli of genital armature slender and elongate, penis valves with a broad, inner expansion, tips slender and acute, cuspis of volsella very slender and elongate, copiously fringed with hairs over apical half.

DISTRIBUTION—Missouri and Michigan to New Jersey and Maine; June to August.

FLOWER RECORDS—Fagopyrum and Pontederia.

Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Lamiaceae  Monarda sp @ BBSL (1)
Lythraceae  Lythrum salicaria @ BBSL (11)
Pontederiaceae  Pontederia cordata @ CUIC_ENT (24); AMNH_BEE (7); BBSL (231)

Pontederia sp @ BBSL (8)

Pontederia @ CUIC_ENT (1)

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Updated: 2019-10-16 00:10:35 gmt
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