Saturday, February 29, 2020

[Entomology • 2019] Unexpected Diversity of Hyboserica Chafers in South African Forest Remnants: Cladistic Analysis, New Species and the New Genus Leoserica (Coleoptera: Scarabaeidae: Melolonthinae)


Hyboserica sebastiani 
Fabrizi, Eberle & Ahrens, 2019


Abstract
A taxonomic revision of Hyboserica uncovers an unexpected diversity of species from Southern African forest remnants. The work results in the description of a new genus, Leoserica gen. nov., a new combination, a new synonymy and 32 new species are described. The lectotypes of Serica capensis and Triodonta caffra are designated. The habitus and male genitalia of all revised species are illustrated. A species distribution map and an identification key to the species are provided. Phylogenetic analysis reveals a deep split into one very diverse eastern clade that is distributed north to Zimbabwe, and one western clade that is restricted to the fynbos of the Cape Region.

Keywords: beetles, fynbos, morphology, phylogeny, Sericini

Figure 1. Male and female of Hyboserica sebastiani sp. nov. in copulation.


Silvia Fabrizi, Jonas Eberle and Dirk Ahrens. 2019. Unexpected Diversity of Hyboserica Chafers in South African Forest Remnants: Cladistic Analysis, New Species and the New Genus Leoserica (Coleoptera: Scarabaeidae: Melolonthinae). Zoological Journal of the Linnean Society. 186(4); 950–982. DOI: 10.1093/zoolinnean/zly095