British Insects: the Families of Orthoptera
Adults cepuscular to nocturnal; 8–13 mm long; greyish brown; fully apterous.
The antennae long, with well over 30 segments. Forewings absent. Hindwings absent (the insects flightless). Foreleg tarsi 3 segmented; mid-leg tarsi 3 segmented; hindleg tarsi 3 segmented. The hind femora smooth. The ovipositor relatively long, with the valves articulated along their length and forming a single structure; 5 mm long. The males stridulous. The sound production of the males alary, involving scraping the forewings together, the latter being structurally modified to this end. Auditory organs located in the fore-tibiae (sometimes partly covered by a ventral flap).
British representation. 1 species. Pseudomogoplistes squamiger (Scaly cricket). Native (?). Central southern England.
Found outdoors in natural habitats (found in Britain only beneath rocks and concrete rubble adjacent to a salt-water lagoon, behind Chesil Beach in Dorset).
Classification. Suborder Ensifera; Superfamily Grylloidea; Gryllidae.
Comments. The adults having body and legs covered with minute scales.
To view the illustrations with detailed captions, go to the interactive key. This also offers full and partial descriptions, diagnostic descriptions, differences and similarities between taxa, lists of taxa exhibiting or lacking specified attributes, and distributions of character states within any set of taxa.
Cite this publication as: ‘Watson, L., and Dallwitz, M.J. 2003 onwards. British insects: the families of Orthoptera. Version: 12th February 2012. http://delta-intkey.com’.