Crabro intricatus (SMITH,1856); Crabro lepeleteri (SMITH, 1856); Crossocerus pusillus LEPELETIER & BRULLÉ,1835; Crabro spinipectus (SHUCKARD,1837); Crossocerus striatulus LEPELETIER & BRULLÉ,1835; Crossocerus striatus LEPELETIER,1845; Crossocerus varius misspelling
Formerly known as C. pusillus. A small black solitary wasp. Identification keys are given in Yeo & Corbet (1995), Lomholdt (1984) and Richards (1980).
A common species recorded throughout much of Britain. Overseas found throughout Europe, across Asia and into northern Japan.
This species is not regarded as scarce or threatened.
Found in a wide range of habitats.
Univoltine, on the wing in mid-summer (June-August).
Nest burrows are stocked with a range of small Diptera from various families, e.g. Empididae, Dolichopodidae, Drosophilidae and Simuliidae (Lomholdt 1984).
A ground-nesting species. The nest burrow descends 10-12 cm into the ground. Cells are constructed at the end of small side branches of the lower part of the main burrow, up to 9 cells have been found in one nest (Lomholdt 1984).
None recorded.
None recorded.
2009