Figure 2 in A taxonomic revision of Bolbapium Boucomont, 1910 (Coleoptera: Scarabaeoidea: Geotrupidae)

Figure 2. Bolbapium (a). Hind wings. Apex of the third branch of the radial vein directed towards the outer edge of the wing (black setae 1); between the cubital and the first anal vein articulated with the base of the wing there are two free veins (black circle); jugular wing area is not reduced (black setae 2). (b). Antenna with the last three antennomeres elongated. (c). Antenna with the last three antennomeres globose.