Species Account for Anoplius nigerrimus
Anoplius nigerrimus (Scopoli, 1763)
a spider-hunter wasp
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Essex RDB: Listed
Threat: Essex Threatened
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Taxonomic group: bees and wasps (Aculeata) - County data
Essex Red Data List comment
prey Lycosidae, Gnaphosidae and Pisauridae. Recent years have seen the wasp recorded at a number of new sites.
The spider-hunting wasp Anoplius nigerrimus is said to be widespread and fairly common, but in Essex it was only first recorded in the Lee Valley in 2003 and has subsequently been found a number of other sites, mostly near the Thames in S. Essex. Although the wasp may have been overlooked previously, it is more likely that it has been been becoming more frequent in the county. It is found in a fairly wide range of habitats and nesting in a variety of situations including under stones, in dry plant stems, in deserted burrows of other aculeates and in snail shells. Reported prey include Lycosidae, Gnaphosidae and Pisauridae. References