Fig. 4 in Plasticity in the Nesting Behavior of Ontherus sulcator (Fabricius) (Coleoptera: Scarabaeidae: Scarabaeinae)

Fig. 4. Cylindrical brood masses of Ontherus sulcator. A) and B) External view of the two recorded brood masses; note the external cover of soil attached to the brood mass, C) Longitudinal section of a brood mass showing the egg inside the egg chamber and the external soil cover. Scale bars = 1.0 cm.