EUURA FLAVESCENS GROUP
Euura lienterica - Holmgren's Smooth Nematine
Nematus lientericus Holmgren, 1883
Pteronidea carinata Lindqvist, 1969
Nematus carinatus (Lindqvist, 1969)
Pteronidea facialis Lindqvist, 1969
Nematus facialis (Lindqvist, 1969)
Nematus parvulus Holmgren, 1883
Euura parvula (Holmgren, 1883)
Pteronidea vaccinii Lindqvist, 1964
Nematus vaccinii (Lindqvist, 1964)
Euura facialis (Lindqvist, 1969)
Euura vaccinii (Lindqvist, 1964)
Euura carinata (Lindqvist, 1969)
Nematus carinalis Vikberg, 1982
The only record relates to two specimens of Euura lienterica taken in Perthshire in 2010 (Musgrove, 2024).
The ocelli are enclosed by a large black patch with much of the rest of the head yellowish-brown including the mouthparts, facial markings, genae and temples. The thorax and abdomen are for the most part dark but the apical abdominal tergites are pale.
The larval foodplant is not known but may be willow or bilberry.
Size: Female: 4 - 5mm.
GB IUCN status: Data Deficient
GB rarity status: Nationally Rare
Distribution: Scotland
Flight period: June to July
Plant associations: Unknown. Possibly willow or bilberry.
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References:
Benson, R.B., 1952. Handbooks for the Identification of British Insects. Hymenoptera, Symphyta, Vol 6, Section 2(a-c), Royal Entomological Society, London
Holmgren, A. E. 1883: Insecta a viris doctissimis Nordenskiöld illum ducem sequentibus in insulis Waigatsch et Novaja Semlia anno 1875 collecta. Hymenoptera et Diptera. - Entomologisk Tidskrift, Stockholm 4(3-4): 141-190
Musgrove, A.J. 2024. A review of the status of sawflies of Great Britain - Phase 3: The Tenthredinidae (subfamily Nematinae). Natural England, unpublished