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Anoplius nigerrimus
Anoplius nigerrimus is a spider wasp which is one of the commonest Pompilids in Europe. They are mostly black and the females are 6-8 mm long while male's measure 5-8 mm. A distinguishing feature of this species from the related Anoplius concinnus and Anoplius caviventris is that there are 20 hairs visible on the forehead rather than 60 or 45.
From the article Anoplius nigerrimus on Wikipedia (CC BY-SA), quoted section by section
Description
They are mostly black and the females are 6–8 mm long while males measure 5–8 mm. This species may be distinguished from the related A. caviventris and A. concinnus by the triangular rather than quadrilateral third submarginal cell of the forewing and the shorter setae, or hairs, on the thorax and abdomen.
Wikipedia: “Description and identification”
Range & habitat
A. nigerrimus is a Holarctic species found from Northern and Central Europe eastwards across Asia to the Pacific Coast and in North America from the Yukon to Newfoundland. It is widespread in Great Britain and Ireland.
Wikipedia: “Distribution”
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Every page naming Anoplius nigerrimus in the Biodiversity Heritage Library →
This page is assembled live from iNaturalist, GBIF, Wikipedia, the Source Library and the Internet Archive. It is not yet part of the hand-edited codex. iNaturalist taxon 127784.