Tenthredo omissa (Förster, 1844)

Tenthredo omissa

One of the smaller yellow and black species on Tenthredo. The flagellae of the antenna are entirely black as are the tegulae. The hind tarsus and apex of hind tibia is reddish-brown in both sexes. Yellow bands on the tergites do not broaden laterally. Associated with the fens of Norfolk, Suffolk, Lincs and Cambs.
Larvae feed on plantains and possibly other herbaceous plants.

Size: 9 - 11mm

Status: Local

Distribution: England

Flight period: July to September

Plant associations: Plantago sp. (plantain)

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]