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Extracted from: Mitchell, T. 1962. Bees of the Eastern United States, I. North Carolina Agricultural Experiment Station. 1-191.
FEMALE-Length 9-10 mm. ; head, thorax
and legs black, segments 1-3 of abdomen dark red, 5 and 6 black; head much broader than
long; eyes very slightly convergent below; clypeus rather flat, median length about half the
width; labrum somewhat triangular in form,
with an apical, obtuse, median angle, somewhat broader than the median length; mandibles with a robust, inner, subapical tooth; segments 1 and 2 of flagellum somewhat broader
than long, length and breadth of following
segments about equal; lateral ocelli subequally
distant from eyes and each other; face rather
dull, punctures deep and distinct, close and
rather fine above antennae, becoming somewhat more widely separated toward sides of
face laterad of antennae, but obscured by
rather dense pubescence, fine and slightly separated on supraclypeal area, coarse, deep,
distinct and rather close over most of clypeus; vertex dull, roughened back of oceIli,
with some fine, rather well separated punctures between eyes and ocelli; cheeks dull,
with minute and obscure punctures above, becoming smooth and somewhat shining below,
adjacent to hypostome; scutum with rather
close, deep, distinct and rather fine punctures
over posterior half, becoming finely rugose
anteriorly, with a quite deep, median, anterior
sulcus; scutellum more shining, with a shallow, median impression, punctures well separated, somewhat irregular; pleura densely rugose anteriorly and on hypoepimeral area,
becoming somewhat more striate posteriorly;
dorsal area of propodeum slightly shorter than
scutellum, coarsely but rather irreguIarly rugoso-striate, lateral faces dull, rather finely
and densely rugose, becoming somewhat more
rugoso-striate posteriorly, posterior face
coarsely reticulate; tegulae largely ydlowishhyaline, somewhat darker along inner side;
wings lightly infuscated, veins and stigma
reddish-piceous, 2nd su~bmarginal cell short,
considerably narrowed above, receiving 1st recurrent vein near outer fourth; legs black,
spurs dull testaceous; basal abdominal tergum
shining, with only exceedingly minute and
widely scattered, barely visible punctures, terga 2-4 with fine, close and rather deep and
distinct punctures, those on 2 becoming sparse
toward the depressed apical rim, apical rims
of 1-3 yellowish-hyaline, that on 4 piceous,
discal pubescence entirely pale, very short,
fine and obscure, becoming somewhat more
erect and elongate on the more apical segments.
DISTRIBUTION - Quebec and New
Brunswick, south to North Carolina; August to October.
FLOWER RECORD-Aster. Sphecodes knetschi Cockerell, 1898. Amer. Ent.
Soc. Trans. 25, p. 186. 0 8.
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