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Aneurus avenius Family: Aradidae Unlike Aradus species, the wings of Aneurus flatbugs are completely membranous with the exception of the base. The two species are very similar. In females, the tip of the abdomen (genital segment) is flattened in A. avenius and bilobed in A. laevis. In males, which have a protruding and rounded genital segment in both species, there is dorsal abdominal process in A. laevis which often distorts the wing membrane. The membrane is entirely flat in A. avenius. Found under the bark of various dead trees which are infected by fungi, particularly native deciduous species. Although widely distributed across England and parts of Wales, it is not often recorded. Eggs are laid several times a year and all life stages may be found together. Compare: Aradus depressus Adult: All year Length 4-5 mm
	Adult female: Surrey (August 2010) ©Tristan Bantock
Adult female: Berks (May 2010) ©Jonathan Michaelson	Adult male: Berks (May 2009) ©Jonathan Michaelson
Adult female: Berks (August 2009) ©Jonathan Michaelson	Adult: Norfolk (June 2010) ©Tristan Bantock
Nymph: Berks (August 2010) ©Jonathan Michaelson	Nymphs: Shrops (August 2008) ©Nigel Jones