Megaceras Hope 1837
| Main Authors: | Alvarez, Héctor Jaime Gasca, da, Claudio Ruy Vasconcelos, Fonseca, Ratcliffe, Brett C. |
|---|---|
| Format: | info publication-taxonomictreatment Journal |
| Terbitan: |
, 2008
|
| Subjects: | |
| Online Access: |
https://zenodo.org/record/5450505 |
Daftar Isi:
- Key to the species of adult Megaceras of Brazilian Amazonia 1. Apex of clypeus with 2 teeth (Fig. 59). Mandibles with 2 subequal teeth with acuminate apex.............................................................................................................. M. philoctetes (Olivier) — Apex of clypeus truncate or slightly emarginate. Mandibles with 2 teeth different in size....... 2 2(1). Elytra with sutural stria slightly impressed or absent. Head horn with apex rounded or slightly acuminated. Pygidium of females with strong transverse furrow (Fig. 54), anterior half concave in lateral view.......................................................................................... M. laevipenne Prell —- Elytra with sutural stria impressed. Head horn with apex slightly bilobed or strongly bifurcate. Pygidium of females covex in lateral view............................................................................... 3 3(2). Apex of head horn slightly bilobed. Horns of pronotal prominence subparallel, curved down. Pronotum of females with 2 tubercles. Pronotum of females with 2 tubercles behind anterior margim and with a slight furrow between them........................................ M. crassum Prell —- Apex of pronotal horn bifurcate. Horns of pronotal prominence divergent, strongly curved down. Pronotum of females with 2 conical tubercles behind anterior margin, without slight furrow between them............................................................................................. M. stuebeli Kirsch
- Published as part of Alvarez, Héctor Jaime Gasca, da, Claudio Ruy Vasconcelos, Fonseca & Ratcliffe, Brett C., 2008, Synopsis of the Oryctini (Coleoptera: Scarabaeidae: Dynastinae) from the Brazilian Amazon, pp. 1-62 in Insecta Mundi 2008 (61) on page 28, DOI: 10.5281/zenodo.5352440