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Lasioglossum lustrans (Cockerell, 1897)
Panurgus lustrans Cockerell, 1897; Hemihalictus lustrans (Cockerell, 1897)

Life   Insecta   Hymenoptera   Apoidea   Halictidae   Lasioglossum
Subgenus: Hemihalictus

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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 7 mm.; black; pubescence greyish-white, rather thin; length and breadth of head equal; clypeus moderately convex, projecting slightly over one-half below suborbital line; eyes slightly convergent below; cheeks subequal to eyes in width; lateral ocelli subequally distant from eyes and edge of vertex; face above antennae and supraclypeal area dull, minutely and closely punctate; clypeus somewhat shining apically where the punctures are quite coarse and deep, becoming fine but distinct above, area between eyes and ocelli shining but with a few scattered, minute punctures; vertex dull, obscurely punctate; cheeks somewhat shining, minutely and rather closely punctate above, becoming very finely striate below; scutum rather dull, punctures very fine, rather widely separated in central area of disc, becoming very minute and close laterally, punctures of scutellum well separated, scattered, variable in size; pleura very finely rugoso-striate; dorsal area of propodeum finely tessellate in center posteriorly, with short basal striae medially which become complete laterally, posterior face carinate laterally, these carinae nearly reaching dorsal surface; wings hyaline, veins and stigma pale testaceous; tegulae piceous, with a narrow, anterior, hyaline rim; legs entirely dark; hind basitibial plate triangular, apex very narrow and rounded, subacute; abdominal terga somewhat shining, very minutely punctate, punctures scattered and well separated on basal tergum, becoming closer and more obscure on the more apical terga, lacking distinct, basal fasciae, the discal pubescence short and thin but quite uniform, largely pale.

MALE—Length 7 mm.; black, including entire clypeus and legs; pubescence greyish-white, rather thin; head considerably broader than long; clypeus very broad and rather fiat, projecting about one-half below suborbital line; eyes subparallel; mandibles simple, elongate, but tip of one not nearly attaining base of the other when closed; labrum triangular, acute medially; cheeks subequal to eyes in width; lateral ocelli very slightly nearer margin of vertex than to eyes; basal segment of flagellum somewhat longer than pedicel, second and following segments shorter, considerably broader than long, brownish below, more piceous above; face above antennae and supraclypeal area dull, punctures very fine and close, rather obscure; clypeus more shining, rather closely and finely punctate above, becoming more coarsely so below, face on each side of clypeus and area between eyes and ocelli shining, with very minute, widely scattered punctures; vertex medially more or less shining, punctures obscure; cheeks moderately shining, with minute, obscure and rather fine punctures above, becoming very finely striate below; scutum rather dull, punctures very fine, well separated in median area, becoming quite close laterally, those on scutellum scattered and variable in size; pleura very finely rugoso-striate; dorsal area of propodeum finely and closely striate laterally, incompletely so medially, posterior portion of this area obscurely sculptured, posterior face margined laterally with fine carinae which are relatively short; wings hyaline, veins and stigma testaceous; tegulae piceous, very narrowly hyaline anteriorly; legs dark, but apical tarsal segments more or less reddened; abdominal terga somewhat shining, punctures exceedingly minute, rather close, especially on the more apical segments, basal fasciae not evident; apical margin of sternum 5 nearly straight, sternum 6 broadly rounded; gonostyli composed of an apically directed, finger-like lobe which is fringed on the inner surface with short hairs, and a more elongate, slender, membraneous lobe which is directed basally.

DISTRIBUTION—Indiana and Michigan to Virginia, south to Texas, Mississippi and Florida; April to September.

FLOWER RECORDS—This is primarily an oligolege of Pyrrhopappus carolinianus, but will occasionally visit other flowers, as shown by the following records: 1 female, Raleigh, N. C., June 17, 1922 (C. S. Brimley, on Cucurbita,); 1 male, Wasington, D. C., July 29, (N. Banks, on Chicory). The host plant of this male presumably is Cichorium intybus L., or Common Chicory. There is one other record of collection, on Taraxacum palustre vulgare in Indiana, but that specimen is not now at hand. A considerable series of males and females has been collected in North Carolina on Pyrrhopappus.

Identification
Note that this species sometimes has 3 rather than 2 submarginal cells.

Names
Scientific source:

Supported by

Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Pyrrhopappus grandiflorus @ AMNH_BEE (1)
Fabaceae  Melilotus @ AMNH_BEE (1)
_  cucurbit @ NLA (3)

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Updated: 2017-04-24 00:39:26 gmt
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