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|Elasmostethus interstinctus Birch Shieldbug
A distinctive species, although confusion with the larger and more elongate Hawthorn shieldbug A. haemorrhoidale is possible. The lateral extensions of the pronotum are smaller in E. intersinctus, and are not marked with red, while the scutellum of A. haemorrhoidale is green, and the abdomen frequently red-tipped.
This species overwinters as an adult, emerging and mating in the spring. The larvae feed principally on birch, but may also be found on hazel and aspen; the new generation is complete by August. Common and widespread in mixed birch woodlands across Britain and Ireland.
Adult: All year
Length 8-11.5 mm
|Adult: north London (August 2008) ©Tristan Bantock
|Adult: Lincs (October 2007) ©Michael Talbot
||Adult: N London (July 2009) ©Laurence Counter
|1st, 2nd & 3rd instar nymphs: Lincs (August 2006) ©Michael Talbot
||Adult & late instar nymphs: south Wales (August 2006) ©Ian Tew
|Final instar nymph: south Wales (July 2006) ©Ian Tew
||Final instar nymph: south Wales (August 2006) ©Ian Tew
|Teneral adult: Norfolk (August 2009) ©Tristan Bantock