Xyela lugdunensis (Berland, 1943)

Blank, Stephan M., Shinohara, Akihiko & Altenhofer, Ewald, 2013, <strong> The Eurasian species of <em> Xyela </ em> (Hymenoptera, Xyelidae): taxonomy, host plants and distribution </ strong>, Zootaxa 3629 (1), pp. 1-106 : 58

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.

Figures

FIGURES 86–94. Ovipositor sheath, sensilla pattern and sensilla plate (spl) at the apex of the ovipositor sheath. 86, Xyela helvetica. 87, X. longula, arrows indicate the modified hairs at apex of valvula 1. 88, X. lugdunensis. 89, X. meridionalis. 90–91, X. alpigena. 92–93, X. curva. 94, X. densiflorae.

FIGURES 95–104. Ovipositor sheaths of Xyela species. All figures at same scale. Legend: HT—holotype; PT—paratype.

FIGURES 126–135. Penis valves of Xyela species: X. longula groups, X. lugdunensis group, X. alpigena group, X. meridionalis group. 127, tentatively identified male of from Tence (France: Auvergne, MNHN), see text. 128, paratype of X. nigroabscondita.