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Nomada electa Cresson, 1863
Nomada (Xanthidium) mimula Cockerell, 1908; Nomada (Heminomada) electa Cresson, 1863

Life   Insecta   Hymenoptera   Apoidea   Apidae   Nomada
Subgenus: None

Nomada electa, female AMNH BEE00099768-3
© Copyright Hadel Go 2011-2016 · 9
Nomada electa, female AMNH BEE00099768-3

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Nomada electa, male AMNH BEE00047949-3
© Copyright Hadel Go 2011-2016 · 9
Nomada electa, male AMNH BEE00047949-3
Nomada electa, female AMNH BEE00099768-1
© Copyright Hadel Go 2013 · 7
Nomada electa, female AMNH BEE00099768-1

Nomada electa, female AMNH BEE00099768-2
© Copyright Hadel Go 2011-2016 · 7
Nomada electa, female AMNH BEE00099768-2
Nomada electa, male AMNH BEE00047949-1
© Copyright Hadel Go 2011-2016 · 7
Nomada electa, male AMNH BEE00047949-1

Nomada electa, male AMNH BEE00047949-2
© Copyright Hadel Go 2011-2016 · 7
Nomada electa, male AMNH BEE00047949-2
Nomada electa female, T3/T4
© Mary Paul · 1
Nomada electa female, T3/T4
Overview
Reprinted with permission from: Mitchell, T.B. 1962 Bees of the Eastern United States. North Carolina Agricultural Experiment Station Technical Bulletin No. 152.


FEMALE—Length 9.5 mm.; lateral ocelli very slightly nearer margin of vertex than to each other; cheeks somewhat narrower than eyes, posterior margin strongly carinate; longer side of basal segment of flagellum considerably shorter than segment 2, median segments slightly longer than broad; mandibles slender and simple apically; wings yellowishhyaline, rather deeply so apically, with the usual three submarginal cells, 2nd much broader anteriorly than 3rd, veins testaceous to piceous, basal vein much basad of transverse median; tegulae unusually broad and expansive, somewhat shining between deep, distinct, rather coarse and slightly separated punctures; posterior margin of scutellum faintly impressed medially; front coxae not spinose; apex of hind tibiae with a row of very short but rather robust reddish bristles; clypeus, labrum, mandibles except tips, and broad lateral facial maculae, bright yellow; supraclypeal area, face above antennae, vertex, and cheeks, black; cheeks narrowly yellow along eye margin below, and a small yellow spot on eye margin above; facial maculae quite abruptly truncate on eye margin just above antennae; antennal scape yellow anteriorly, more piceous posteriorly, flagellum brownish-testaceous basally, become more piceous apically; pronotal collar, tubercles, adjacent anterior angle of scutum, scutellum except anterior margin, and adjacent median area of metanotum, bright yellow; mesopleura with a transverse yellow band which is margined above and below with ferruginous; coxae more or less black, trochanters and femora brownish-testaceous, tibiae yellow at least at base and apex, more or less testaceous medially, tarsi largely testaceous, tibial spurs pale yellow; abdominal terga 1-5 with conspicuous, transverse, yellow bands, that on tergum 1 submedian, slightly interrupted medially and rather sinuous; bands on terga 2-4 very broad laterally, becoming much narrowed medially, and subinterrupted on 2 and 3, that on 4 of more uniform width although sub- interrupted at each extreme side, and that on 5 apical, very broad medially, subinterrupted on each side; abdominal sterna 3 and 4 with more or less transverse yellow bands, sterna otherwise quite dark; punctures of face above, vertex and cheeks coarse, close and deep, becoming rugose in part, lateral punctures below antennae fine and rather close, fine and densely crowded on supraclypeal area, and somewhat more distinct but fine and quite close on clypeus; scutum and mesopleura coarsely and very densely rugoso-punctate, pleural punctures rather coarse but distinct, to some degree separated; propodeum posteriorly very finely and closely rugoso-punctate below, triangle dull and tessellate but rather smooth below, becoming very irregularly rugoso-punctate along upper margin, lateral faces above spiracle more coarsely rugose, somewhat smoother below; discs of abdominal terga 2-5 very fine, close, deep and distinct across base, becoming somewhat more coarse and distinct apically, basal tergum quite distinctly punctate apically, but becoming impunctate laterally and basally, the more apical terga with somewhat deeper, more distinct and coarse punctures before apical rims; pseudopygidium short and transverse, forming the narrow apical margin of tergum 5, densely covered with suberect, silvery or yellowish tomentum; pubescence extremely short, thin and obscure, entirely pale where visible, apex of sternum 5 with a pair of tufts of elongate hairs which converge medially.

MALE—Length 8.5-9.5 mm.; lateral ocelli considerably nearer margin of vertex than to each other; cheeks considerably narrower than eyes, posterior margin carinate; antennal scape slightly swollen, apex deeply excavated and largely enclosing pedicel, basal segment of flagellum much shorter than segment 2, the shorter side not much greater than apical width, median segments somewhat longer than broad; mandibles slender and simple apically; wings yellowish-hyaline, somewhat more deeply so apically, with the usual three submarginal cells, 2nd much broader anteriorly than 3rd, veins testaceous to piceous, basal vein much basad of transverse median; tegulae unusually broad and expansive, shining between deep, distinct, quite coarse and rather close punctures; posterior margin of scutellum slightly impressed medially; front coxae not spinose; hind femora slender and simple; clypeus, labrum, basal half of mandibles, narrow lateral facial maculae, and cheeks below adjacent to eye, bright yellow; head otherwise black, the facial maculae ending rather narrowly on eye margin at level of antennae; antennal scape yellow anteriorly, flagellum more brownish-testaceous; pronotal collar narrowly, tubercles, tegulae, usually a pair of maculae on scutellum, and a small anterior maculation on mesopleura, bright yellow, thorax otherwise black; front and hind coxae black, legs otherwise chiefly testaceous but front tibiae yellow anteriorly, mid and hind tibiae yellow at base and apex, narrowly connected on hind pair by a yellow line; spurs pale yellow; abdominal terga 1-6 with conspicuous, yellow maculations, submedian, rather narrow, and interrupted medially on tergum 1, more widely interrupted on 2 and 3, submedian, broad laterally, accuminate toward mid-line, transverse and entire on 4-6, considerably separated from margin on 4, subinterrupted on each side on 4 and 5; abdominal sterna with small lateral maculations on 3, a median maculation on 4, and small yellow spots at extreme sides of sterna 2-5; punctures coarse, close, deep and distinct on face above antennae, on vertex and on cheeks, quite coarse on each side of face below antennae, somewhat finer and closer on supraclypeal area and clypeus; scutum, scutellum and mesopleura coarsely rugoso-punctate throughout; propodeum somewhat more finely rugose posteriorly, triangle densely tessellate and dull, becoming irregularly rugosostriate along upper margin; punctures becoming somewhat more sparse toward mid coxae laterally, somewhat coarser above spiracle; discs of abdominal terga 2-5 deeply, distinctly, finely and closely punctate across base, those on tergum 1 deep, distinct and close, becoming minute and obscure basally and laterally; apical margins of terga very narrowly impunctate, punctures of the more apical terga becoming somewhat more coarse and sparse apically; pubescence very short, sparse and obscure, hardly evident above, rather copious on head and thorax below, sternum 6 with rather elongate, erect, yellowish hairs medially; pygidial plate considerably longer than basal width, strongly narrowed apically, tip or obscurely incised, margins carinate, surface quite closely and finely punctate;ed8 with a slender apical process; gonocoxites of genital armature as shown (fig. 105).

DISTRIBUTION — Massachusetts and Connecticut, August to October. This is recorded from Illinois.

Names
Scientific source:

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Hosts · map
FamilyScientific name @ source (records)
Asteraceae  Solidago tenuifolia @ UCMS_ENT (3)
Polygonaceae  Polygonum cuspidatum @ UCMS_ENT (1)

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Updated: 2017-12-16 23:55:22 gmt
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