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).

Author of profile

M E Archer.