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Extracted from: Robertson, C. (1897). North American Bees - Description and Synonyms. Transactions of the Academy of Science od St. Louis. Vol. 7. No. 14.
Entirely black, shining; head closely and finely punctured,
the clypeus with more coarse sparse punctures; mandibles
bidentate, dull rufous; labrum dull testaceolls, short, slightly
emarginate; flagellum dull testaceous beneath; mesonotum
and scutellum shining, sparsely punctured, punctures coarser
than on head; disc of metathorax with irregular longitudinal
raised lines, smooth and shining beyond; wings fusco-hyaline,
nerVUl'es, stigma and tegulae dull, second submarginal cell
short, hardly narrowed above; legs dull ferruginous; abdomen
shining, segments one and two impunctate, third finely
punctured at base. Length 5 mill.
Illinois; one ~ specimen.
Extracted from: Mitchell, T. 1962. Bees of the Eastern United States, I. North Carolina Agricultural Experiment Station. 1-191.
FEMALE-Length 6 mm.; entirely black;
head considerably broader than long; eyes
slightly convergent below; clypeus slightly
convex, median length about half the width;
labrum nearly as long as broad, rounded apically, with a small, median notch; mandibles
with a distinct, inner, subapical tooth located
quite close to tip; segments 1 and 2 of flagellum
slightly broader than long, length and breadth
of the following segments about equal; lateral
ocelli subequally distant from eyes and each
other; face somewhat shining between close,
deep, distinct, evenly distributed and rather
coarse punctures, these becoming somewhat
finer on supraclypeal area, more widely separated and rather shallow on clypeus; vertex
roughened, without distinct punctures back
of ocelli, but with fine, rather widely separated
punctures between eyes and ocelli; cheeks finely striate, becoming smooth and shining
below, adjacent to hypostome; scutum and scutellum somewhat shining, punctures rather
fine and well separated, rather minute between
notaulices and tegulae, scutum with a rather
deep, median sulcus anteriorly; pleura rather
coarsely rugoso-striate and quite dull; dorsal
area of propodeum rather coarsely and completely rugoso-striate, lateral faces dull, finely
roughened anteriorly, becoming reticulate posteriorly, posterior face coarsely reticulate;
tegulae testaceous-hyaline, darkened on inner
side; wings subhyaline, veins brownish-testaceous, stigma nearly piceous, 2nd submarginal cell very short, receiving 1st recurrent
vein near outer third; legs largely black,
only the more apical tarsal segments somewhat reddened, spurs yellowish; abdominal
terga smooth and shining, basal tergum nearly
impunctate, terga 2 and 3 with scattered, fine
and rather sparse punctures across base, becoming impunctate or with only very minute,
widely scattered and sparse punctures apically, discal pubescence very thin, short and inconspicuous, entirely pale, becoming somewhat more erect and elongate on the more
apical terga.
DISTRIBUTION-Minnesota and Illinois; May.
FLOWER RECORDS-Robertson (1929)
records this species on Smilacina stellata
and Solidago canadensis.
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