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Nomada stigma Fabricius 1804 ♂

Nomada stigma-M-Clabecq1.JPG <b><i>Nomada stigma</b></i> Fabricius 1804 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/06/20160606083911-2350924b-th.jpg>Thumbnails<b><i>Dioctria rufipes</b></i> De Geer, 1776 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/05/20160605102643-ee5f2f08-th.jpg><b><i>Nomada stigma</b></i> Fabricius 1804 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/06/20160606083911-2350924b-th.jpg>Thumbnails<b><i>Dioctria rufipes</b></i> De Geer, 1776 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/05/20160605102643-ee5f2f08-th.jpg><b><i>Nomada stigma</b></i> Fabricius 1804 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/06/20160606083911-2350924b-th.jpg>Thumbnails<b><i>Dioctria rufipes</b></i> De Geer, 1776 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/05/20160605102643-ee5f2f08-th.jpg><b><i>Nomada stigma</b></i> Fabricius 1804 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/06/20160606083911-2350924b-th.jpg>Thumbnails<b><i>Dioctria rufipes</b></i> De Geer, 1776 ♂||<img src=./_datas/t/6/y/t6ynvw9sux/i/uploads/t/6/y/t6ynvw9sux//2016/06/05/20160605102643-ee5f2f08-th.jpg>

Nomada stigma Fabricius 1804 ♂
Syn.: Nomada cinnaberina Morawitz 1871
Common names: Borstelwespbij [Nl]

Tubize, BRABANT ● Belgium

Description: The female is 10-12 mm. The mesonotum is densely and coarsely punctuated, with clear and shiny spaces. The scutellum is scarcely punctuated, with broad, shiny spaces. The head is black, with red colored parts: genae, mandible, clypeus, spot above clypeus, space between clypeus and compound eye, antennae, eye border which is extended at the top to behind the ocelli. The labrum is mostly black, or with a red border. The labrum wears a little tooth above the middle. The antennal segment 3 is as long as the 4.
The head and the thorax are hairy above, with short and thin yellow red hairs, the mesopleurum has long, thin gray-white hairs. The side of the propodeum wears short, gray-white hairs.
The abdomen is red, the tergite 1 black onward. The tergites 3-5 wear often a black spot.
The tergites are clearly and densely punctuated, with the edges smooth. The tergite 5 has a strong, brush-like hair band, composed of shorter and longer bristles.
The legs are red, the femurs basic black. The tibia 3 has fine, long, pale hair-like thorns.

The male is 8-11 mm. The head is black, with yellow (or red) coloured parts: genae, mandible, lower edge of the clypeus, a stripe above the eye area. The labrum has sometimes a spot on the bottom with yellow or red border.
The antennae are red, with the first two segments black below. The first segments are black above, the other slightly darkened. The segment 3 is less than the 4. The segments 5-10 have a lump quite pointed above.
The abdomen is red, the tergite 1 black. The tergites 4-6 are often tinted with black above. The tergites, including a part of edge, are clearly and densely punctuated.
The tergite 7 is curved on the edge, with a clear triangular cut on the posterior edge. The legs are red, the femora more or less black.

Biology: Nomada is a genus of cleptoparasitic “cuckoo bees”. The female Nomada lays its eggs in a nest of a wild bee. The larvae feed from the bee larva and the food of it. Nomada stigma is a parasite of Andrena labialis and A. schencki.
Adults can be seen in May-June.

Distribution: Europe, North Africa, Western Asia.

References:
Atlas Hymenoptera, Nomada de Belgique
Smit J., 2004. De wespbijen (Nomada van Nederland (Hymenoptera: Apidae) [Nl]




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