Classification Order: Hymenoptera Family: Symphyta
Phenology Adult flies from May to August
A sawfly with a noticable white mouth and white tips to its antennae (just discernible in Image 1 ). Abdomen variable in colour, sometimes all black, but with other forms with varying amounts of red. The white marked antennae together with the white and brown stigma in the forewing ( Image 3) is a key ID feature
Other sawflies have similar white banded antennae and a white 'mouth'.
T. livida is differentiated by its two-tone stigma - the apical two thirds brown / basal third pale.
T. ferruginea has a yellowish brown stigma and usually has white on the thorax and over the eyes.
T. balteata has a black or dark brown stigma.
Larvae graze nocturnally feeding on a variety of leaves on trees and shrubs such , such as Hazel, Willow and Honeysuckle.
Woodland rides and hedgerows