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Acompus rufipes
Family: Lygaeidae

Acompus species are small lygaeids, similiar in size and shape to Stygnocoris, but with at least the second and third antennal segments orange. The head and thorax are uniformly dark and adults are often brachypterous. Both British species feed on Valeriana or Valerianella.

In A. rufipes the middle and hind femora are pale and the length of the scutellum (A) and claval commisure (B) are about equal (see below). Compare A. pallipes.


A local species throughout much of Britain in fens and marshes, feeding on Marsh Valerian Valeriana dioica.

Adult: All year
Length 3.5-4 mm




Acompus rufipes
Acompus rufipes
Adult: Norfolk (September 2016) ©Tristan Bantock

Acompus rufipes Acompus rufipes
Adults on host plant: Derbyshire (July 2015) ©Stephen Plant

Adults on host plant: Derbyshire (July 2015) ©Stephen Plant