Orussus abietinus
Reported to have been present in Britain in the past from only two specimens (not in any collection). The species is distinctive in having antennal sockets well below the level of the eyes.
Larvae are unique in being internal parasites of wood boring jewel beetle larvae. The commonest jewl beetle in Britain is itself Nationally Scarce.
Size: 9 - 15mm
Status: Extinct
Distribution: England [Possibly present here in the past]
Flight period: July
Plant associations: unknown in Britain
The National Biodiversity Network records are shown on the map below. (See terms and conditions)
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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
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