Figure 2 from: Baranek B, Kuba K, Bauder JAS, Krenn HW (2018) Mouthpart dimorphism in male and female wasps of Vespula vulgaris and Vespula germanica (Vespidae, Hymenoptera). Deutsche Entomologische Zeitschrift 65(1): 65-74. https://doi.org/10.3897/dez.65.23593

Figure 2 Mandibles and labrum (SEM, LM). A. Mandibles (ma) overlapping in repose in front of the clypeus (cl); co – compound eye, gl – glossa. B. Open mandibles (ma), labrum (lr) and glossa (gl) underneath (male wasp). C. Mandible of female (LM), short bristles and mola (mo). D. Mandible of male (LM), long bristles and inconspicuous inner teeth.