Tenthredo livida

A largely black bodied species. Antennae are partially banded in white and the stigma are bicolorous. The abdomen colour is variable in both sexes but at least the basal tergites black. up to the five apical tergites may be red in the female. Males usually have basal tergites black, the middle segments may be marked yellowish-white dorsally and the apical tergites reddish-brown.

Tenthredo livida larvae feed on a broad range of plants.

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Size: 12 - 15mm

Status: Common

Distribution: England, Scotland, Wales, Ireland

Flight period: May to August

Plant associations: Pteridium aquilinum (bracken), Epilobium (willowherbs), Lonicera (honeysuckles), Corylus (hazel), Rosa (roses), Salix (willows), Sorbus (mountain ash) and Viburnum (wayfarer, guelder rose)

The National Biodiversity Network records are shown on the map below. (See terms and conditions)

References:

Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London

Liston A, Knight G, Sheppard D, Broad G, Livermore L (2014) Checklist of British and Irish Hymenoptera - Sawflies, ‘Symphyta’. Biodiversity Data Journal 2: e1168. https://doi.org/10.3897/BDJ.2.e1168

Fekete, K. (2018) Beginner’s guide to identifying British Tenthredo, Natural History Museum, London. http://www.nhm.ac.uk/content/dam/nhmwww/take-part/identification-trainers/sawflies-guide-id-trainees.pdf [Accessed 26Apr2019]