Megasoma gyas is a species of large Neotropical rhinoceros beetles. There are no recognized subspecies. [2] Megasoma gyas have setae all over their bodies. Males have three thoracic horns and one cephalic horn. Females are without horns.

Megasoma is a genus of rhinoceros beetles. Commonly known as the elephant beetles, Megasoma species are found from the southern half of North America to most of South America. [1]

Nov 30, 2020 · Megasoma (Megasoma) gyas (Coleoptera, Scarabaeidae, Dynastinae), locally known as “besouro de chifre” or “besouro com chifre” or “grande besouro”, is perhaps the most interesting species among all the large-sized South American Megasoma.

Nov 30, 2020 · The taxa of the genus Megasoma Kirby, 1825 (Coleoptera, Scarabaeidae, Dynastinae) related to M. gyas (Jablonsky in Herbst, 1785) are revised.

Neotropical species range from northern Mexico south to Argentina. Diagnosis: Moderate to large size, broadly truncate to emarginate clypeal apex with acute or toothed anterior angles, mandibles with two or three acute teeth, short prosternal process, and tridentate anterior tibia.

17 species of medium to large sized beetles that occur from the southern United States to northern Argentina (Moron 2005; Ratcliffe and Moron 2005; Abadie et al. 2008). In Brazil, seven spe cies and subspecies are known: Megasoma actaeon (L., 1758); Megasoma anubis Chevrolat, 1836; Megasoma gyas gyas (Herbst, 1775);

Dec 1, 2014 · Three males of Megasoma gyas rumbucheri were recorded in the state of Pernambuco, Brazil, after more then 30 years without records of this species. This note brings details on this record as...

Megasoma gyas are Neotropical rhinoceros beetles. (Source: Wikipedia, '', http://en.wikipedia.org/wiki/Megasoma_gyas, CC BY-SA 3.0 . Photo: (c) cnovaes, some rights …

Mar 6, 2025 · To assess horn contribution to heat dissipation, we compared cooling rates between live (n = 6) and euthanized (n = 3) beetles. We exposed beetles to a heat source (30°C), allowing their T b to passively increase for 15 min.

Megasoma (Megasoma) gyas (Coleoptera, Scarabaeidae, Dynastinae), locally known as “besouro de chifre” or “besouro com chifre” or “grande besouro”, is perhaps the most interesting species among all the large-sized South American Megasoma.