Fig. 2 in Nests and Brood Balls of Two South American Species ofSulcophanaeusOlsoufieff, 1924 (Coleoptera: Scarabaeidae: Scarabaeinae: Phanaeini)

Fig. 2. Brood balls of Sulcophanaeus menelas and Sulcophanaeus imperator. A–C) Drop-shaped brood ball of S. menelas showing an upper cone composed of dung fibers partially covered by soil material (A–B, white arrows) and cross-section showing the conduit plugged with dung fibers (black arrows), the egg chamber (left, white arrow), and an egg (right) (C), D –F) Pear-shaped brood ball of S. imperator showing a distinct upper protuberance (D, E, white arrows) with a central open pore (D–F, black arrows) and cross-section showing the egg chamber (white arrow) with an egg and the upper pore (black arrow) (F), G) Egg chamber of S. menelas showing the presence of a moist, thin lining (white arrow) and the conduit plugged with parallel dung fibers (black arrow), H) Egg and egg chamber of S. imperator showing the presence of a thick wall mostly composed of soil material (white arrow) and an upper pore (black arrow). Scale bars = 1 cm.