Fig ure 10 in Revision of the West Palaearctic Euura bergmanni and oligospila groups (Hymenoptera, Tenthredinidae)

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

图10 榆叶蜂属（Euura）伯格曼榆叶蜂（Euura bergmanni）与寡斑榆叶蜂（Euura oligospila）类群雄性成虫形态特征。
A 榆叶蜂属响应种（Euura respondens）DEI-GISHym84697
B 寡斑榆叶蜂（Euura oligospila）DEI-GISHym84695
C 榆叶蜂属颊斑种（Euura frenalis）ZMUO.033184
D 绿色榆叶蜂（Euura viridis）DEI-GISHym84547
E 短瓣榆叶蜂（Euura brevivalvis）DEI-GISHym11624
F 伯格曼榆叶蜂（Euura bergmanni）DEI-GISHym84689
G 榆叶蜂属响应种（Euura respondens）DEI-GISHym84697
H 寡斑榆叶蜂（Euura oligospila）DEI-GISHym84695
I 短瓣榆叶蜂（Euura brevivalvis）ZMUO.039090
J 伯格曼榆叶蜂（Euura bergmanni）DEI-GISHym84689
K 林生榆叶蜂（Euura sylvestris）ZMUO.035654
L 寡斑榆叶蜂（Euura oligospila）DEI-GISHym84695。

1a 前胸背板黑色（图17E），躯体大部分亦呈黑色（图17C、D）
1b 亚生殖基瓣基部具二叉状延伸（图11I） → 细头榆叶蜂（E. leptocephalus）
1bb 亚生殖基瓣基部简单（图11A-H、11J、12A、B），进入2

2(1)a 翅痣大致均匀浅色（图13G、18C），进入3
2aa 翅痣深褐色至黑色，有时中部略浅（例如图13E、14E），进入11

3(2)a 产卵鞘基端与端端宽度相近，中部具微弱或明显缢缩（图12A、B）
3b 生殖刺突与亚生殖基瓣之间的内陷不明显（图12A、B）
3c 第8背板顶端突起长宽相近或略长大于宽，长度约为第8背板的0.5倍（图10B、C）……寡斑榆叶蜂组（Euura oligospila group），进入4
3aa 产卵鞘基端通常窄于端端，中部无明显缢缩（图11）
3bb 生殖刺突与亚生殖基瓣之间的内陷明显或不明显（图11）
3cc 第8背板顶端突起长宽相近或明显长大于宽，长度约为第8背板的0.3~0.5倍（图10D），进入5

4(3)a 生殖刺突基部可能较宽（图12A）
4b 中胸上前侧片（通常）大部分呈浅色（图21D） → 寡斑榆叶蜂（E. oligospila）
4aa 生殖刺突基部可能较窄（图12B）
4bb 中胸上前侧片通常呈黑色（图21H） → 颊斑榆叶蜂（E. frenalis）

5(3)a 生殖刺突短（图11D、E），生殖刺突与亚生殖基瓣之间的内陷浅（图11D、E）
5b 头部背面观呈长方形（图10E）
5c 触角黑色或腹面略浅（图14F）
5d 体长6.0~8.0 mm → 短瓣榆叶蜂（E. brevivalvis）
5aa 阳茎瓣具不同的特征组合（图11A-C、F-H、J）
5bb 头部背面观呈长方形至方形或圆形（图10F、G）
5cc 触角通常至少腹面明显浅色（例如图18C、D、15D）
5dd 体长4.5~8.0 mm，进入6

6(5)a 伪阳茎顶端具明显的丝状缢缩（图11J）
6b 生殖刺突与亚生殖基瓣之间的内陷明显（图11J）
6c 生殖刺突明显背向弯曲（图11J） → 响应榆叶蜂（E. respondens）
6aa 伪阳茎顶端无丝状缢缩（图11A、C、F-H）
6bb 生殖刺突与亚生殖基瓣之间的内陷明显或不明显（图11A-C、F-H）
6cc 多数类群的生殖刺突不背向弯曲（图11A-C、F-H），进入7

7(6)a 生殖刺突与亚生殖基瓣之间的内陷不明显（图11F-G）
7b 生殖刺突相对较短（图11F、G）
7c 亚生殖基瓣顶端明显宽于基部（图11F、G） → 林生榆叶蜂（E. sylvestris）
7aa 生殖刺突与亚生殖基瓣之间的内陷明显（图11A-C、H）
7bb 生殖刺突相对较长（图11A-C、H）
7cc 亚生殖基瓣顶端明显宽于基部或与基部宽度相近（图11A-C、H），进入8

8(7)a 生殖刺突与伪阳茎的背缘明显具角状突起（图11A）
8b 生殖刺突略向背方弯曲（图11A） → 伯格曼榆叶蜂（E. bergmanni）
8aa 生殖刺突与伪阳茎的背缘无角状突起（图11B、C、H）
8bb 生殖刺突不向背方弯曲（图11B、C、H），进入9

9(8)a 生殖刺突与亚生殖基瓣之间的间隙较窄（图11C）
9b 寄主为桦木属（Betula）植物 → 绿色榆叶蜂（E. viridis）
9aa 生殖刺突与亚生殖基瓣之间的间隙较宽（图11H）
9bb 寄主为桤木属（Alnus）植物 → 粘柄榆叶蜂（E. glutinosae）

11(2)a 生殖刺突长且略向背方弯曲（图11A）
11b 颊区长为中单眼直径的1.0~1.4倍（图10J） → 伯格曼榆叶蜂（E. bergmanni）
11aa 生殖刺突长且不向背方弯曲，或短且略向背方弯曲（图11B、D、E）
11bb 颊区长为中单眼直径的1.3~1.9倍（图10I），进入12

12(11)a 生殖刺突长（图11B）
12b 生殖刺突与亚生殖基瓣之间的内陷深（图11B）
12c 触角通常至少腹面明显浅色（图15D） → 异色榆叶蜂（E. dispar）
12aa 生殖刺突短（图11D、E）
12bb 生殖刺突与亚生殖基瓣之间的内陷浅（图11D、E）
12cc 触角黑色或腹面略浅（图14F） → 短瓣榆叶蜂（E. brevivalvis）