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Nomada vicina Cresson, 1863
Nomada beulahensis Cockerell, 1903, unpublished synonymy of Snelling; Nomada (Nomada) vicina stevensi Swenk, 1913; Nomada vicina stevensi Swenk, 1913, unpublished synonymy of Snelling

Life   Insecta   Hymenoptera   Apoidea   Apidae   Nomada
Subgenus: None

Nomada vicina stevensi, female, face
© Copyright source/photographer · 9
Nomada vicina stevensi, female, face

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Nomada vicina stevensi, female, front bottom left
© Copyright source/photographer · 9
Nomada vicina stevensi, female, front bottom left
Nomada vicina stevensi, female, front left
© Copyright source/photographer · 9
Nomada vicina stevensi, female, front left

Nomada vicina stevensi, female, right side
© Copyright source/photographer · 9
Nomada vicina stevensi, female, right side
Nomada vicina stevensi, female, top
© Copyright source/photographer · 9
Nomada vicina stevensi, female, top

Nomada vicina stevensi, male, front left
© Copyright source/photographer · 9
Nomada vicina stevensi, male, front left
Nomada vicina stevensi, male, back
© Copyright source/photographer · 9
Nomada vicina stevensi, male, back

Nomada vicina stevensi, male, face
© Copyright source/photographer · 9
Nomada vicina stevensi, male, face
Nomada vicina stevensi, male, left backside
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Nomada vicina stevensi, male, left backside

Nomada vicina stevensi, male, right side
© Copyright source/photographer · 9
Nomada vicina stevensi, male, right side
Nomada vicina stevensi, male, top
© Copyright source/photographer · 9
Nomada vicina stevensi, male, top

Nomada vicina Fem Lat Comp Photoshopped
© Copyright Laurence Packer 2014 · 7
Nomada vicina Fem Lat Comp Photoshopped
Nomada vicina MALE CFP comp
© Copyright Laurence Packer 2014 · 7
Nomada vicina MALE CFP comp

Nomada vicina, m on Solidago --
© Copyright Micheal Veit 2010 · 6
Nomada vicina, m on Solidago --
Nomada vicina, m on Solidago --
© Copyright Micheal Veit 2010 · 6
Nomada vicina, m on Solidago --
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 mm.; lateral ocelli much nearer margin of vertex than to each other; cheeks somewhat narrower than eyes, posterior margin strongly carinate; longer side of basal segment of flagellum slightly shorter than segment 2, median segments very slightly longer than broad; mandibles slender and simple apically; wings lightly infuscated, becoming quite deeply so along apical margin and in marginal cell, with a hyaline area just beyond the marginal and discoidal cells, with the usual three submarginal cells, 2nd much broader anteriorly than 3rd, veins largely piceous, the stigma more testaceous, basal vein interstitial, or nearly, with transverse median; tegulae shining, punctures deep and distinct but rather fine, close along inner margin, becoming sparse along outer margin; posterior margin of scutellum quite deeply depressed medially; front coxae not spinose; apex of hind tibiae with three short, robust, seta-like bristles; face, vertex and cheeks black in large part, eyes completely but narrowly encircled with ferruginous, labrum and mandibles ferruginous, the clypeus black except for the very narrow apical margin; scape, pedicel and basal segment of flagellum more testaceous, the more apical segments brownish-testaceous below, more piceous above; tubercles and tegulae testaceous; pronotal collar, large mesopleural maculations, lateral margins and a pair of elongate sub- median maculations on scutum, and scutellum entirely, ferruginous; propodeum posteriorly with a pair of widely separated, small, yellowish maculations, thorax otherwise black; coxae more or less black basally, becoming somewhat reddened apically, front and middle legs largely reddish-testaceous, hind pair more ferruginous, femora piceous posteriorly, all spurs pale yellow; basal abdominal tergum largely black, with a pair of submedian, transverse, yellow maculations that are slightly separated medially; tergum 2 black, becoming somewhat reddened apically, with a pair of broad, transverse, yellow maculations that nearly meet medially; tergum 3 black across disc, apical margin more ferruginous, with a pair of sub-basal transverse, widely separated maculations; tergum 4 with a pair of submedian, transverse, yellow maculations that nearly meet medially and are deeply emarginate on each side posteriorly; tergum 5 with a broad, transverse, yellow band that is deeply emarginate on each side apically; abdominal sterna 2-3 with rather widely separated, lateral, yellow maculations, 4 with a median, more transverse, yellow band that is quite short; apical margins of the sterna rather broadly ferruginous-hyaline, sternum 5 piceous; vertex and face above antennae very deeply, coarsely, distinctly and closely punctate, becoming more finely and shallowly so on cheeks below, punctures quite coarse and distinct on each extreme side below antennae, fine and densely crowded on supraclypeal area and clypeus; scutum, scutellum and mesopleura coarsely and deeply punctate, punctures becoming much finer and quite densely crowded on scutum laterally, well separated medially, rather widely separated on scutellum dorsally, somewhat separated on pleura below, becoming closely crowded above; propodeum very finely and closely rugosopunctate, becoming somewhat smoother and more shining on each side below, triangle densely tessellate below, becoming irregularly reticulate above; discs of abdominal terga very finely and closely punctate basally, the punctures becoming somewhat more distinctly separated toward the impressed apical margins, these rather broadly impunctate; tergum 1 becoming impunctate laterally and basally; pseudopygidium transverse, very short, forming the rather narrow, truncate margin of tergum 5; pubescence extremely short, thin and inconspicuous, entirely pale where at all visible, apex of sternum 5 with a patch of elongate, brownish, convergent bristles on each side of mid-line.

MALE�Length 7-10 mm.; lateral ocelli considerably nearer margin of vertex than to each other; cheeks subequal to eyes in width, posterior margin carinate; antennal scape somewhat swollen, apex deeply excavated, completely enclosing pedicel, basal segment of flagellum very short, the shorter side only about half the length of segment 2, median segments only slightly longer than broad; mandibles slender and simple apically; wings lightly infuscated, becoming quite deeply so along apical margin and in marginal cell, a hyaline area 3ust beyond the submarginal and discoidal cells, with the usual three submarginal cells, 2nd somewhat broader than 3rd anteriorly, veins chiefly piceous, stigma more testaceous, basal vein interstitial with transverse median; tegulae quite deeply, closely and rather finely punctate, becoming slightly separated toward outer margin; posterior margin of scutellum rather deeply depressed medially; front coxae not spined; hind femora unmodified, relatively slender; lower third of clypeus, labrum, mandibles and small facial maculae, ending very narrowly on eye margin slightly below level of antennae, yellow; head otherwise black; antennal scape bright yellow anteriorly, piceous above, flagellum brownish-testaceous below, more piceous above; tubercles and tegulae reddish-testaceous; pronotal collar, a pair of rather vague lateral maculations on mesopleura, and entire scutellum, ferruginous; thorax otherwise black; basal abdominal tergum largely black, with a pair of submedian, transverse, yellow maculations that are slightly separated medially; tergum 2 black, becoming somewhat reddened apically, with a pair of broad, transverse, yellow maculations that nearly meet medially; tergum 3 black across disc, apical margin more ferruginous, with a pair of sub- basal, transverse, widely separated maculations; tergum 4 with a pair of submedian, transverse, yellow maculations that nearly meet medially and are deeply emarginate on each side posteriorly; tergum 5 with a broad, transverse, yellow band that is deeply emarginate on each side apically; discs of abdominal sterna 2-6 with extensive yellow maculations, more or less interrupted medially on the more basal sterna, apical margins of the sterna broadly testaceous-hyaline; coxae more or less blackish, becoming somewhat testaceous apically, legs otherwise largely testaceous, front femora and tibiae more yellowish anteriorly, mid and hind femora with small, yellow maculations at extreme tips, hind femora piceous posteriorly, spurs pale yellow; vertex and face above antennae coarsely, deeply and closely punctate, punctures becoming much finer on cheeks below and on supraclypeal area and clypeus, rather deep and distinct on each side of face below, maculated areas largely impunctate; scutum, scutellum and mesopleura coarsely and deeply punctate, much more finely and densely so on scutum laterally, the more median punctures coarse and distinct, those on scutellum widely separated, those on pleura below somewhat finer but distinctly separated, becoming closely crowded above; propodeum rather finely rugose, becoming somewhat shining on each side below, triangle dull and densely tessellate, becoming rather finely short-striate along upper margin; discs of abdominal terga very finely, closely and quite deeply punctate, punctures becoming somewhat more distinctly separated on apical impressed areas, only the narrow apical rims impunctate; tergum 1 becoming impunctate laterally and basally, the more apical terga with somewhat coarser and deeper punctures apically; pubescence short and inconspicuous in general, rather dense on face and cheeks, quite dense on propodeum posteriorly, entirely pale, hardly evident on abdomen dorsally, the sterna with very short scattered fine hairs, sternum 6 with short erect hairs apically; median length of pygidial plate much greater than basal width, only slightly narrowed apically, apex rather deeply emarginate, margins carinate, surface closely punctate; exposed sterna unmodified, sternum 6 subtriangular, apex very narrowly rounded; sternum 8 with a slender apical process; gonocoxites of genital armature as shown (fig. 107).

DISTRIBUTION�Michigan to Quebec, the New England states and New Jersey, August and September.

FLOWER RECORD�Solidago.

The subspecific designation of vicina is made necessary by the recognition of another subspecies, stevensi Swenk, which has not been collected east of the Dakotas (see p. 406).


Identification
Extracted from: Swenk, M. H. 1915. The University Studies of the University of Nebraska, Vol. 15.

Additional metatypes examined from the type locality (Fargo, North Dakota) are as follows: August Io, 1912, on Grindelia squarrosa (3538, O. A. Stevens), I dº; August 21, 1912, on same plant (3807, 3808, 3809), 3 & ; August 26, 1912, on Solidago canadensis (3933), I ?; September 6, 1912, on Melilotus alba (4132), I ?. At Medora, North Dakota, August 30, 1914, on Solidago rigida, Mr. Stevens took two specimens (8466 and 8480), I ?, I dº, and at Schafer, North Dakota, September 5, 1914, on the same plant another male (8507). This gives a season for the bee of August 7 to September 6. The additional three females bear out the characters of the subspecies but are a little smaller than the type (7–8 mm.) and 4132 has the pale spots on tergite I nearly obsolete and the other abdominal macula tions more yellowish than usual, almost as yellow as in typical vicina. The same deepening of the yellow is shown in one of the males (3807). However the color differences are very re liable in the males, and I suspect stevensi will ultimately have to be considered a distinct species.

Extracted from: Cockerell T.D.A., New American Hymenoptera, mostly of the Genus Nomada pp. 35-37.

Nomada vincina appears in this excerpt as the now synonymized Nomada beulahensis.

MALE.—Length 6-8 millim. Similar to iV. aquilarum, but larger, and differing from the above description as follows : —Light markings bright lemonyellow ; anterior margin of clypeus only, and that notched in the middle, yellow ; lateral marks narrowly pointed above, often produced some distance up orbital margin ; a yellow band beneath eyes, not always developed ; labium yellow
scape yellow beneath ; third antennal joint obviously shorter than fourth ; tubercles black or with a ferruginous spot
scutellum usually with two ferruginous spots ; tegulse shining coppery ; wings more uniformly smoky, but only the apex really dark ; not only the anterior, but also the middle femora and tibiae, ferruginous in front ; apices of hind femora and ti bias reddish ; no yellow markings on legs; hair on inner side of basal joint of hind tarsi greyish brown ; yellow bands on fourth and fifth abdominal segments with a rounded notch sublaterally behind ; yellow on venter extending in spots and interrupted bands as far forwards as the second segment
apical plate strongly notched.


Names
Scientific source:

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FamilyScientific name @ source (records)
Asteraceae  Grindelia @ AMNH_BEE (1)

Solidago canadensis @ AMNH_BEE (1)

Solidago tenuifolia @ UCMS_ENT (1)

Solidago @ CUIC_ENT (1)

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Updated: 2024-03-29 06:04:10 gmt
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