Xyela lugdunensis group

Diagnosis. Article 3 of maxillary palp 1.10–1.20 times longer than scape and about as wide as synantennomere 3; valvula 3 of ovipositor sheath diamond-shaped in cross section, parallel-sided in middle, in distal 0.1 dorsal and ventral edge narrowing to round tip (Figs 88, 96), tip with a defined sensilla field directed laterally and bearing 5–6 setae; penis valve with lateral lamella, proximal lobe with 28–30 cone-like sensilla and 0.90 times as wide as medial lobe (Fig. 128).

Species included. Xyela lugdunensis in the West Palearctic.