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Arenocoris waltlii Breckland Leatherbug
Family: Coreidae

Very similar to the much commoner A. fallenii, this species has always been a great breckland rarity and was thought to be extinct for many years, before its rediscovery in 2011.

Best distinguished from A. fallenii by the shape of the 3rd antennal segment, which is thickened towards the tip. The pronotum also lacks the two backwards pointing rows of pale spines.

There are no apparent ecological differences between the two Arenocoris species, both of which feed on Common Storksbill Erodium cicutarium in dry, sandy habitats.

Adult: All year
Length 7-8 mm

Arenocoris waltlii
Adult©Natural History Museum, London

Arenocoris waltlii Arenocoris waltlii
Adult: Suffolk (June 2011) ©Stuart Read

Adult: Suffolk (June 2012) ©Paul Brock