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Ischnodemus sabuleti European Chinchbug
Family: Lygaeidae

A peculiar, elongate species of lygaeid that until 1893 was  known only from a handful of sites in Kent and Surrey. Since then, it has enormously increased its range, and is  still expanding northwards and westwards. Swarms of thousands are often seen in wetland areas.

There are two distinct common forms, with short wings (micropterous) and long wings (macropterous) respectively. Occasional specimens with wings of intermediate length (right, at left) are also known.


The distinctive nymphs may be found on grasses and reeds throughout the summer and into winter. A smaller species, I. quadratus, is restricted to the Folkestone Warrens.

Adult: all year
Length 5-6 mm

Ischnodemus sabuleti
Adults: south London (June 2007) ©Joe Botting

Ischnodemus sabuleti Ischnodemus sabuleti
Adult macropter: north London (August 2008) ©Tristan Bantock

Adult micropter: north London (August 2008) ©Tristan Bantock
Ischnodemus sabuleti
nymph
Adult micropter: Lincs(January 2008) ©Michael Talbot

Nymph: south London (November 2007) ©Joe Botting