Hybosorus

MacLeay, 1819

Species Guides

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Hybosorus is a of scavenger scarab beetles in the Hybosoridae, established by MacLeay in 1819. The genus contains approximately eight extant distributed across the Palaearctic and Afrotropical regions, with additional fossil species known from the Miocene of Germany and Cenomanian Burmese amber. Some species, such as Hybosorus illigeri, have been introduced to new regions and show expanding distributions. The genus was formerly considered part of the scarab beetle family Scarabaeidae but is now placed in the distinct family Hybosoridae within the superfamily Scarabaeoidea.

Hybosorus by (c) Victor Engel, some rights reserved (CC BY), uploaded by Victor Engel. Used under a CC-BY license.Hybosorus by (c) Victor Engel, some rights reserved (CC BY), uploaded by Victor Engel. Used under a CC-BY license.Hybosorus.illigeri.-.calwer.20.07 by Emil Hochdanz . Used under a Public domain license.

Pronunciation

How to pronounce Hybosorus: /haɪ.bəˈsɔː.rəs/

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Distribution

Palaearctic and Afrotropical regions. Fossil documented from the Upper Freshwater-Molasse Formation in Germany (Miocene) and Burmese amber in Myanmar (Cenomanian). The species Hybosorus illigeri has been introduced to the United States and Russia, where it shows expanding distributions.

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Taxonomic history

The Hybosorus was long classified within Scarabaeidae but is now recognized as the type genus of the Hybosoridae. The Hybosorus hopei A. , 1844 was synonymized with Trachyscelis aphodioides Latreille, 1809 (Tenebrionidae), removing it from the genus.

Fossil record

Two extinct are known: Hybosorus lividus Heer, 1862 from the Miocene of Germany, and Hybosorus ocampoi Bai and Zhang, 2016 from Cenomanian-aged Burmese amber in Myanmar.

Sources and further reading