S. Mahunka szerk.: Folia Entomologica Hungarica 64. (Budapest, 2003)

16. Fl of male weakly excavate, flattened basally and moderately expanded apically, F2 to F5 2.0-3.0 times as long as broad (Fig. 13A); Fl of female not more than 1.5 times as long as F2 (Fig. 13D) S. gallaepomiformis (Fonscolombe, 1832) [specimens emerging in spring, summer and autumn from first year galls have face yellow-red to red, antenna and legs yellow to orange; specimens emerging in spring from previous year asexual galls are darker, face black antenna and legs dark] - Fl of male strongly inflated distally and rounded, remaining flagellomeres short, usually not more than 1.5-2.0 times as long as broad (Figs 13B-C); Fl of female more than 1.5 times as long as F2 (Figs 13E-F) 17 17. Fl of male more abruptly inflated distally, basal notch forming more acute angle (Fig. 13B); Fl of female less than 2.0 times as long as F2 (Fig. 13E); upper face and vertex with shallow and scattered punctures; radial cell nearly 2.5 times as long as broad (Fig. 13K); face yellow to red or almost black; antenna and legs yellowish S. thaumacerus (Dalman, 1823) Fig. 11. Radial cell (A, B) and first antennomeres of males (C-E) and females (F-H): Synergus tibialis (A, E, H), S. apicalis (B, D, G), S. incrassatus (C, F)