Length 7-8 mm. It is a large and fairly distinctive bug, but sexually dimorphic and thus rather variable. Males are much darker than the more orange females. 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 D. flavilinea, but the uncommon D. olivaceus is larger, has long hairs on the sides of the pronotum and is associated with Hawthorn.
The host-plants are Sycamore and Field Maple, although it may frequently be encountered on other trees and shrubs.
A species which has rapidly colonised the UK following its arrival in 1996 and is now widely established and common across southern and central Britain at least.
Common in Leicestershire and Rutland.
Leicestershire & Rutland Map
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Yellow squares = NBN records (all known data)
Coloured circles = NatureSpot records: 2020+ | 2015-2019 | pre-2015