Subilla confinis
Subilla confinis has an elongated pronotum, four membranous wings and long needle-like ovipositor in females. It has a dark black body with paler legs. Pale marks are present on the pronotum and abdomen. The pterostigma is a pale yellow colour, and present on all four wings. It has a body length of 7-10mm and a wingspan of 15-20mm.
Widespread, but local, in central, eastern and southeastern England. Not recorded in Wales, Scotland or Ireland.
This species is differentiated from other raphidiopterans from the British Isles by characters from its fore- and hind wings.
Forewing: The basal vein of Cell 1 approximately lines up with the basal end of the Pterostigma (A). Pterostigma yellow in colour. Narrow cell in tip of forewing (C).
Hind wing: the basal part of vein MA (B) is long and sinuous, not crossvein-like.
Woodland, plant specific association not known.