Fig ure 10. Characters of Euura bergmanni and Euura oligospila groups, males. A Euura respondens DEI-GISHym84697 B Euura oligospila DEI-GISHym84695 C Euura frenalis ZMUO.033184 D Euura viridis DEI-GISHym84547 E Euura brevivalvis DEI-GISHym11624 F Euura bergmanni DEI-GISHym84689 G Euura respondens DEI-GISHym84697 H Euura oligospila DEI-GISHym84695 I Euura brevivalvis ZMUO.039090 J Euura bergmanni DEI-GISHym84689 K Euura sylvestris ZMUO.035654 L Euura oligospila DEI-GISHym84695. 1a Pronotum black (Fig. 17E) as well as most of body (Fig. 17C, D)b Paravalva basally with two-digit extension (Fig. 11I)E. leptocephalus-aa Pronotum extensively pale, often also rest of body (e. g. Figs 13E, 19E)bb Paravalva basally simple (Figs 11A-H, 11J, 12A, B)22(1)a Pterostigma more or less uniformly pale (Figs 13G, 18C)3-aa Pterostigma dark brown to black, sometimes centrally somewhat paler (e.g. Figs 13E, 14E)113(2)a Valviceps basally about as broad as apically and with weak or distinct constriction in middle (Fig. 12A, B)b Invagination between valvispina and paravalva indistinct (Fig. 12A, B)c Apical projection of tergum 8 about as broad as long or slightly longer than broad and about 0.5 times as long as tergum 8 (Fig. 10B, C)... Euura oligospila group4-aa Valviceps often basally narrower than apically and without distinct constriction in middle (Fig. 11)bb Invagination between valvispina and paravalva distinct or indistinct (Fig. 11)cc Apical projection of tergum 8 about as broad as long or distinctly longer than broad and about 0.3-0.5 times as long as tergum 8 (Fig. 10D)54(3)a Valvispina possibly broader at base (Fig. 12A)b Mesepisternum (usually?) extensively pale (Fig. 21D)E. oligospila-aa Valvispina possibly narrower at base (Fig. 12B)bb Mesepisternum usually black (Fig. 21H)E. frenalis5(3)a Valvispina short (Fig. 11D, E) and invagination between valvispina and paravalva shallow (Fig. 11D, E)b Head in dorsal view rectangular (Fig. 10E)c Antennae black or slightly pale ventrally (Fig. 14F)d 6.0-8.0 mmE. brevivalvis-aa Penis valve with different combination of characters (Fig. 11A-C, F-H, J)bb Head in dorsal view rectangular to square or round (Fig. 10F, G)cc Antennae usually distinctly pale at least ventrally (e.g. Figs 18C, D, 15D)dd 4.5-8.0 mm66(5)a Pseudoceps apically with distinct filament-like constriction (Fig. 11J)b Invagination between valvispina and paravalva distinct (Fig. 11J)c Valvispina distinctly dorsally directed (Fig. 11J)E. respondens-aa Pseudoceps apically without filament-like constriction (Fig. 11A, C, F-H)bb Invagination between valvispina and paravalva distinct or indistinct (Fig. 11A-C, F-H)cc Valvispina in most species not dorsally directed (Fig. 11A-C, F-H)77(6)a Invagination between valvispina and paravalva indistinct (Fig. 11F-G)b Valvispina relatively short (Fig. 11F, G)c Paravalva apically distinctly broader than basally (Fig. 11F,G)E. sylvestris-aa Invagination between valvispina and paravalva distinct (Fig. 11A-C, H)bb Valvispina relatively long (Fig. 11A-C, H)cc Paravalva apically distinctly broader than basally or about as broad as basally (Fig. 11A-C, H)88(7)a Dorsal margins of valvura and pseudoceps distinctly angled (Fig. 11A)b Valvispina somewhat directed dorsally (Fig. 11A)E. bergmanni-aa Dorsal margins of valvura and pseudoceps not angled (Fig. 11B, C, H)bb Valvispina not directed dorsally (Fig. 11B, C, H)99(8)a Invagination between valvispina and paravalva deep (Fig. 11B)E. dispar-aa Invagination between valvispina and paravalva shallower (Fig. 11 C, H)1010(9)a Gap between valvispina and paravalva possibly smaller (Fig. 11C)b On BetulaE. viridis-aa Gap between valvispina and paravalva possibly larger (Fig. 11H)bb On AlnusE. glutinosae11(2)a Valvispina long and somewhat directed dorsally (Fig. 11A)b Malar space 1.0-1.4 times as long as diameter of front ocellus (Fig. 10J)E. bergmanni-aa Valvispina long and not directed dorsally, or short and somewhat directed dorsally (Fig. 11B, D, E)bb Malar space 1.3-1.9 times as long as diameter of front ocellus (Fig. 10I)1212(11)a Valvispina long (Fig. 11B)b Invagination between valvispina and paravalva deep (Fig. 11B)c Antennae usually distinctly pale at least ventrally (Fig. 15D)E. dispar-aa Valvispina short (Fig. 11D, E)bb Invagination between valvispina and paravalva shallow (Fig. 11D, E)cc Antennae black or slightly pale ventrally (Fig. 14F)E. brevivalvis

Published as part of Prous, Marko, Liston, Andrew & Mutanen, Marko, 2021, Revision of the West Palaearctic Euura bergmanni and oligospila groups (Hymenoptera, Tenthredinidae), pp. 187 in Journal of Hymenoptera Research 84 on page 187, DOI: 10.3897/jhr.84.68637, http://zenodo.org/record/5349573