EUURA MYOSOTIDIS GROUP

Euura jugicola - Summit Willow Nematine

Nematus jugicola Thomson, 1871
Pteronidea karvoneni Lindqvist, 1969

Just three old records from Scotland and northern England (Benson 1934b) (Musgrove, 2024).

The head and thorax are black with yellow on the mouthparts, the antennae (all flagellar segments in the female and usually most of the ventral surface in the male), a large part of the orbits, the posterior pronotal margin and the tegulae. The abdomen is yellow with black basal tergites and a black streak along the midline that decreases apically. The legs are yellow with black on the bases of the coxae and white on the apex of the coxae and the trochanters.

Euura jugicola larvae feed on Eared Willows.

Size: 5.5 - 7.0mm.

GB IUCN status: Data Deficient
GB rarity status: Unclear

Distribution: England, Scotland

Flight period: Bivoltine, May to June, July to August

Plant associations: Salix aurita (eared willow).

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

Muche, W.H., 1974. Die Nematinengattungen Pristiphora Latreille, Pachynematus Konow und Nematus Panzer (Hym., Temthredinidae). Deutsche Entomologische Zeitschrift, 21(1/3), pp.1-137.

Musgrove, A.J. 2024. A review of the status of sawflies of Great Britain - Phase 3: The Tenthredinidae (subfamily Nematinae). Natural England, unpublished

Prous, M., Liston, A., Kramp, K., Savina, H., Vårdal, H. and Taeger, A., 2019. The West Palaearctic genera of Nematinae (Hymenoptera, Tenthredinidae). ZooKeys, 875, p.63-127