Empria excisa (Thomson, 1871)

Empria excisa

A black sawfly with pairs of white patches on tergites 2 to 5 (or 6). The labrum, hind margin of pronotum are white. The tegulae are also marked with white. The clypeus is deeply excised in front to about half its length and with a small middle tooth (one fifth the length of the lateral teeth). Antennae about 2 to 2.5 times the breadth of the head. Claws with a large, thin inner tooth.

Empria excisa larvae are undescribed.

Size: 6 - 8mm

Status: Widespread

Distribution: England, Scotland, Wales, Ireland

Flight period: May to July

Plant associations: Unknown

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

Prous, Marko & Heidemaa, Mikk & Soon, Villu. (2011). Empria longicornis species group: Taxonomic revision with notes on phylogeny and ecology (Hymenoptera, Tenthredinidae). Zootaxa. 2756. 1-39. 10.11646/zootaxa.2756.1.1.