Abstract

The available knowledge of the round fungus beetle subfamily Cholevinae (Leiodidae) from the island of Borneo is reviewed, and the results of newly studied material presented. The currently known 30 species (of which 14 are newly described herein) represent the genera Micronemadus (one species), Catops (one species), Baryodirus (one species), Ptomaphaginus (14 species), and Ptomaphaminus (13 species). The following new species are described: Micronemadussondaicus Schilthuizen & Perreau, sp. n., Ptomaphaginusgrandis Schilthuizen & Perreau, sp. n., P.louis Schilthuizen & Perreau, sp. n., P.muluensis Schilthuizen & Perreau, sp. n., and P.isabellarossellini Schilthuizen, Njunjić & Perreau, sp. n., and Ptomaphaminuskinabatanganensis Njunjić, Schilthuizen & Perreau, sp. n., P.testaceus Schilthuizen & Perreau, sp. n., P.nanus Schilthuizen & Perreau, sp. n., P.marshalli Schilthuizen & Perreau, sp. n., P.hanskii Schilthuizen & Perreau, sp. n., P.sarawacensis Schilthuizen & Perreau, sp. n., P.layangensis Schilthuizen & Perreau, sp. n., P.microphallus Schilthuizen & Perreau, sp. n., and P.alabensis Schilthuizen & Perreau, sp. n. It is expected that the cholevine biodiversity of Borneo is still far from completely known. Nonetheless, provisional identification keys to all species known so far are presented.

Highlights

  • Borneo is, after New Guinea, the second-largest tropical island of the world

  • We considered this Borneo Micronemadus, which is usually the commonest leiodid in baited traps, as identical to M. pusillimus

  • Given the great molecular distances (Merckx et al 2015) that we find among Sabah populations of P. bryantioides, a more robust species with an aedeagus nearly indistinguishable from P. bryanti, we suspect that some specimens assigned to that species, especially those from Sugud (BOLD BIN ACJ9515, RMNH.INS.555591 and 555594), may belong to P. bryanti

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Summary

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Academic editor: B. Guéorguiev | Received 23 December 2017 | Accepted 5 June 2018 | Published 30 July 2018 http://zoobank.org/D9F35364-3DCD-4BA6-B70D-62FB275DEB1B Citation: Schilthuizen M, Perreau M, Njunjić I (2018) A review of the Cholevinae from the island of Borneo (Coleoptera, Leiodidae). ZooKeys 777: 57–108. https://doi.org/10.3897/zookeys.777.23212

Introduction
Identification keys to genera and species Key to the genera
Key to the species of Ptomaphaginus

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