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A species which has rapidly colonised the UK following its arrival in 1996, and is now widely established and common across south and central Britain at least. The host-plants are sycamore and field maple, although it may frequently be encountered on other trees and shrubs.
D. flavilinea is a large and fairly distinctive bug, but sexually dimorphic and thus rather variable. Males are much darker than the more orange females, and the front and rear margins of the pronotum are narrowly pale. The cuneus is variable and the sides of the scutellum paler in both sexes.
The tibial banding pattern is shared by D. olivaceus, which is brick red in colour, similar to female flavilinea. However, this uncommon species is larger, has long hairs on the sides of the pronotum and is associated with hawthorn.
Length 7-8 mm
|Adult male: Leics (July 2009) ©David Gould
|Adult male: south London (June 2007) ©Joe Botting
||Adult male: Leics (June 2008) ©David Gould|
|Adult female: north London (June 2008) ©Tristan Bantock
||Adult female: Berks (June 2009) ©Jonathan Michaelson
|Adult female: Notts (June 2007) ©Jerry Clough
||Nymph: north London (May 2009) ©Tristan Bantock
|Nymph: Berks (May 2009) ©Jonathan Michaelson