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- Title
Exocelina baliem sp. n., the only known pond species of New Guinea Exocelina Broun, 1886 (Coleoptera, Dytiscidae, Copelatinae).
- Authors
Shaverdo, Helena V.; Hendrich, Lars; Balke, Michael
- Abstract
Exocelina baliem sp. n. is described from the Baliem Valley in the Central Mountain Range of New Guinea (Papua Province, Indonesia). Having striolate elytra, different structure and setation of the male and female genitalia and tarsomeres, and inhabiting swampy ponds, the new species differs from all known New Guinea species, which have smooth elytra and are stream associated. It forms a monophyletic group with the Australian E. ferruginea (Sharp, 1882) and New Caledonian E. inexspectata Wewalka, Balke & Hendrich, 2010, based on shape of the paramere and structure of the male tarsi. Habitus, protarsomeres, and male and female genitalia are illustrated, comparing some structures with E. ferruginea and two New Guinea stream species. We briefly discuss the biogeographic relevance of this discovery.
- Subjects
BALIM Valley (Indonesia); DYTISCIDAE; BEETLES; DISSECTING microscopes; CAMERA lucidas; PHYSIOLOGY
- Publication
ZooKeys, 2013, Issue 304, p83
- ISSN
1313-2989
- Publication type
Article
- DOI
10.3897/zookeys.304.4852