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Lasioglossum nelumbonis (Robertson, 1890)
Halictus nelumbonis Robertson, 1890; Evylaeus nelumbonis (Robertson, 1890)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Hemihalictus

Lasioglossum nelumbonis, f, back, Prince Georges Co., MD ---.
© Copyright source/photographer · 5
Lasioglossum nelumbonis, f, back, Prince Georges Co., MD ---.

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Lasioglossum nelumbonis, f, face, Prince Georges Co., MD ---.
© Copyright source/photographer · 5
Lasioglossum nelumbonis, f, face, Prince Georges Co., MD ---.
Lasioglossum nelumbonis, f, left side, Prince Georges Co., MD ---.
© Copyright source/photographer · 5
Lasioglossum nelumbonis, f, left side, Prince Georges Co., MD ---.

Lasioglossum nelumbonis, Barcode of Life Data Systems
Barcode of Life Data Systems · 1
Lasioglossum nelumbonis, Barcode of Life Data Systems
Lasioglossum nelumbonis, female, face
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum nelumbonis, female, face

Lasioglossum nelumbonis, female, scutellum
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum nelumbonis, female, scutellum
Lasioglossum nelumbonis, female, vertex
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum nelumbonis, female, vertex

Lasioglossum nelumbonis, female, wing
© John B. Pascarella, Valdosta State University, Georgia · 1
Lasioglossum nelumbonis, female, 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 8 mm.; black; pubescence greyish-white, short and thin on head and thorax dorsally, more dense on thorax laterally, the propodeum, except for the dorsal area, very densely and conspicuously tomentose; head very slightly broader than long; clypeus somewhat convex and protuberant, projecting about two-thirds below suborbital line; eyes somewhat convergent below; cheeks subequal to eyes in width; lateral ocelli very slightly nearer margin of vertex than to eyes; face above antennae dull, densely and finely rugoso-punctate, supraclypeal area and lateral areas of face rather dull, finely and very closely punctate, the clypeus closely and finely punctate above, becoming somewhat shining and more coarsely and sparsely punctate below; area between eyes and ocelli somewhat shining punctures minute and distinctly separate but not sparse, vertex medially dull, obscurely sculptured, cheeks somewhat shining and obscurely punctate above, becoming quite distinctly striate below; scutum dull, punctures deep and distinct, very close in central portion of disc, becoming densely rugosopunctate anteriorly and laterally, scutellum somewhat shining, but punctures very close and rather fine; pleura coarsely reticulate; dorsal area of propodeum, except for the median basal area, quite regularly striate; wings faintly dusky, veins and stigma brownish-testaceous; tegulae piceous, with a yellowish-hyaline anterior rim; legs entirely dark; hind basitibial plate triangularly acute; abdominal terga somewhat shining, punctures exceedingly minute, scattered and irregular on basal tergum but quite close and more regular on the more apical terga, 2 and 3 with basal, whitish fasciae evident laterally, discal pubescence very short and inconspicuous, suberect, more brownish.

MALE—Length 7 mm.; black, including entire clypeus and labrum; pubescence greyishwhite, tinged with brownish on vertex and dorsum of thorax, somewhat more dense on thorax laterally, propodeum, except for the dorsal area, densely greyish tomentose; head very slightly broader than long; clypeus rather flat, projecting about one-half below suborbital line; eyes slightly convergent below; mandibles simple, brownish-testaceous basally, becoming ferruginous at tip; labrum transverse, not distinctly pointed medially; cheeks subequal to eyes in width; lateral ocelli considerably nearer margin of vertex than to eyes; segments of flagellum very short, hardly longer than broad, brownish below; piceous above; face above antennae dull, densely and finely rugoso-punctate, the supraclypeal area very finely and closely punctate, rather dull, clypeus more shining, closely, finely and deeply punctate above, punctures becoming somewhat more coarse and sparse apically; areas between eyes and ocelli somewhat more shining and distinctly but finely punctate, vertex medially dull, obscurely sculptured, cheeks very finely striate; scutum shining, with distinct, close and deep punctures medially, becoming densely rugoso-punctate laterally, scutellum shining, finely, closely and deeply punctate; pleura coarsely reticulate; dorsal area of propodeum quite regularly striate, shining, wings dusky; veins and stigma brownish; tegulae piceous, with a narrow, yellowish-hyaline, anterior rim; legs entirely dark or somewhat reddened; abdominal terga shining, punctures minute and quite close, becoming obscure on the more apical terga, basal fasciae very poorly developed, discal pubescence very short and thin, suberect, brownish in color; apical margin of sternum 5 straight, 6 broadly rounded; gonostylus small, subacute, thinly clothed with short, inconspicuous hairs, the ventral, retrorse lobe broad and elongate, rather densely short pubescent along inner portion.

DISTRIBUTION—Maine to Minnesota, south to Texas and Florida; May to August, with records in Florida during March, April and November.

FLOWER RECORDS—Bidens, Brassica, Erigeron, Gerardia, Hydrocotyle, Medicago, Melilotus and Oenothera. Robertson (1929) records it also on Castalia, Nelumbo, Nymphaea, Sagittaria and Verbena.


Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Alismataceae  Sagittaria graminea @ CUIC_ENT (1)

Sagittaria @ CUIC_ENT (1)
Nymphaeaceae  Nymphaea @ CUIC_ENT (1)
Salicaceae  Salix @ CUIC_ENT (2)
_  cucurbit @ NLA (2)

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Updated: 2017-11-20 16:19:21 gmt
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