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Adelphocoris seticornis
Family: Miridae

Mirids in the genus Adelphocoris share a combination of characters including a large elongate body, large eyes, long antennae, prominent tibial spines and a long rostrum reaching the hind coxae.

This species is largely dark, with the base of the corium pale and the cuneus reddish. The anterior and posterior margins of the pronotum are narrowly pale and there is sometimes a pale central line. The antennae and femora are black and the tibiae yellowish.

A scarce species found very locally across Britain, usually in damp habitats with tall vegetation. The main foodplants are herbaceous legumes such as Large and Common Bird's-foot Trefoil, Meadow Vetchling and Tufted Vetch.

Adult: July-September
Length 6.5-7.5 mm
Adelphocoris seticornis
Adult: Sussex (August 2020) ©Gordon Jarvis

Adelphocoris seticornis Adelphocoris seticornis
Adult: France (June 2012) ©Tristan Bantock
Adult: France (September 2015) ©Maria Justamond