Dynastini, Macleay, 1819

Ratcliffe, Brett C., Cave, Ronald D. & Mondaca, José, 2021, The Dynastine Scarab Beetles (Coleoptera: Scarabaeidae: Dynastinae) of Chile, The Coleopterists Bulletin 75 (2), pp. 279-309 : 296

Tribe Dynastini

The tribe Dynastini has 11 genera with about 70 species that occur worldwide. Most taxa occur in the New World where there are three genera and about 47 species. One genus and two species occur in Chile. Sexual dimorphism is well developed in most species, with the males of most species possessing a short to long, curving horn, whereas the females lack horns. In the Chilean species, both sexes lack pronotal armature. All of the New World Dynastini are nocturnal or crepuscular, although some Golofa species have been observed active during the day (Howden and Campbell 1974).

Larvae are saprophagous and develop in rotting logs or possibly in rich organic soil. Larvae are characterized by the presence of 2–4 setae on the tarsun- gulus, contiguous lobes of the respiratory plate of the spiracle, well defined ocelli, and acanthoparia usually with 9–10 spiniform setae ( Morón 1987).