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Peritrechus geniculatus
Family: Lygaeidae

Peritrechus species have only one or two small spines on the front femora. As in Scolopostethus, a pale spot is present at the sides of the pronotum, although this is not always obvious.

P. geniculatus is similar to
P. nubilus but the 3rd antennal segment is as thick or thicker than the 1st and the pronotum is more elongate. The markings on the upper surface are also usually slightly duller.

A common ground bug in dry grasslands and wastelands across southern Britain, particularly in the south-east. Overwinters as an adult, becoming active in the spring.

Adult: all year
Length 5-6 mm

Peritrechus geniculatus


Adult: north London (April 2008) ©Tristan Bantock

Peritrechus geniculatus Peritrechus geniculatus
Adult: north London (April 2008) ©Tristan Bantock

Adult: north London (April 2008) ©Tristan Bantock

Peritrechus geniculatus Peritrechus geniculatus nymph
Adult: east London (August 2010) ©Tristan Bantock
Nymph: north London (August 2008) ©Tristan Bantock