Figure 3 in Nesting behaviour of Canthon unicolor and C. histrio: a new subsocial nesting variation in dung beetles (Coleoptera: Scarabaeidae: Deltochilini)

Figure 3. Brood balls of Canthon unicolor and C. histrio. A) View of the brood ball of C. unicolor coated with the external shield layer, B) Internal morphology of the brood ball of C. unicolor and its external shield layer, C) Brood ball of C. histrio coated with the external shield layer, D) Internal morphology of the brood ball of C. histrio and its external shield layer. Measures: a) total height, b) total equatorial diameter, c) thickness of the shield layer, d) height of brood ball, e) equatorial diameter of brood ball, f) thickness of brood ball layer, g) height of protuberance, h) diameter of protuberance, i) diameter of provision chamber. Scale bar = 1 cm.