Smithsonian Institution, Entomology Department · 9
Nomada grayi, female, face |
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Smithsonian Institution, Entomology Department · 9
Nomada grayi, female, side |
Smithsonian Institution, Entomology Department · 9
Nomada grayi, female, top |
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Overview |
Reprinted from: Cockerell,T.A. 1903. New American hymenoptera, mostly of the genus Nomada. Ann. Mag. Nat. Hist. 64(3):203
? .�Length about 9 millim.
Similar in form and colour to N. erythrochroa, but a little
duller, with the front, region of ocelli, sides of prothorax,
median stripe on mesothorax, large hourglass-shaped mark
on metathorax, very broad band from wings to middle and
hind coxse, all the coxse behind except at apex, spot at extreme
base of first four femora beneath, posterior part of cheeks,
and extreme base of first abdominal segment all black. The
only yellow about the insect is a rather large spot on each
side of the second abdominal segment. Mandibles bidentate.
Third antennal joint as long as fourth or nearly so ; antennas
wholly ferruginous. Wings fairly clear, the apex dusky ;
stigma dark ferruginous, nervures piceous, second submarginal
cell little narrowed above. Cheeks and sides of metathorax
with conspicuous white hair. Tegulse light ambercolour.
Hob. Corvallis, Oregon, May 7, 1898.
Eeceived from Mr. II. L. Viereck. Named after Oapt.
Robert Gray, the explorer.
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Identification | |
Extracted from: Cockerell T.D.A., New American Hymenoptera, mostly of the Genus Nomada pp. 35-37.
FEMALE . —Length about 9 million.
Similar in form and colour to N. erythrochroa, but a little duller, with the front, region of ocelli, sides of prothorax,
median stripe on mesothorax, large hourglass-shaped mark
on metathorax, very broad band from wings to middle and
hind coxse, all the coxse behind except at apex, spot at extreme
base of first four femora beneath, posterior part of cheeks,
and extreme base of first abdominal segment all black. The
only yellow about the insect is a rather large spot on each
side of the second abdominal segment. Mandibles bidentate. Third antennal joint as long as fourth or nearly so ; antennas wholly ferruginous. Wings fairly clear, the apex dusky ; stigma dark ferruginous, nervures piceous, second submarginal cell little narrowed above. Cheeks and sides of metathorax with conspicuous white hair. Tegulse light ambercolour.
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Updated: 2024-04-19 21:25:35 gmt
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