Megasoma gyas is a species of large Neotropical rhinoceros beetles. There are no recognized subspecies.M. Prandi, P. Grossi, F. Vaz-de-Mello (2020) Revision of the Megasoma (Megasoma) gyas (Jablonsky in Herbst, 1785) species group (Coleoptera, Scarabaeidae, Dynastinae). ZooKeys 999:109-145. DOI: 10.3897/zookeys.999.53130
Description Megasoma gyas have setae all over their bodies. Males have three thoracic horns and one cephalic horn. Females are without horns.
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