Chrysis pseudobrevitarsis Linsenmaier,1951
Description and notes
Identification keys are given in Morgan (1984). General biology is given in Morgan (1984) and Falk (1991). Compared with other species of Chrysis, this species is usually relatively large, being 10 mm or more in body length. It can be distinguished from the other large species, C. longula, in having the spurs on the middle tibiae of about equal length.
Distribution
Sparingly recorded from Devon, Surrey, Kent and Northamptonshire.
Overseas, occurs in Europe (including Sweden, Finland,The Netherlands, Belgium, Spain, Germany, north Italy, Poland, Hungary) and east to Mongolia.
Status (in Britain only)
Listed as RDB3 (Rare) in Shirt (1987) and RDB2 (Vulnerable) by Falk (1991).
Habitat
Found in the habitats of its host and particularly at old walls, including cob walls.
Flight period
June to July.
Flowers visited
No specific information found.
Parasites
No specific information found.
Parasitic biology
Its host is the aerial-nesting mason wasp, Ancistrocerus antilope (Morgan, 1984).