A revision of the Larainae (Coleoptera, Elmidae) of Venezuela, with description of nine new species

• Main Author: Crystal Maier
• Format: Article
• Language: English
• Published: Pensoft Publishers 2013-09-01
• Series: ZooKeys
• Online Access: http://zookeys.pensoft.net/lib/ajax_srv/article_elements_srv.php?action=download_pdf&item_id=3615

The species of the riffle beetle subfamily Larainae occurring in Venezuela are revised. Examination of 756 specimens yielded 22 species in nine genera occurring throughout the country. Seven species are newly recorded from the country: Phanoceroides sp. 1, Phanocerus clavicornis Sharp, 1882, Phanocerus congener Grouvelle, 1898, Pharceonus volcanus Spangler and Santiago-Fragoso, 1992, Disersus dasycolus, Spangler and Santiago-Fragoso, 1992, Disersus chibcha Spangler and Santiago, 1987, and Disersus inca Spangler and Santiago-Fragoso, 1992. Nine species are found to be new to science, which are here described: Hexanchorus dentitibialis sp. n., H. falconensis sp. n., H. flintorum sp. n., H. homaeotarsoides sp. n., H. inflatus sp. n., Phanocerus rufus sp. n., Pharceonus grandis sp. n., Pharceonus ariasi sp. n., Potamophilops bostrychophallus sp. n. Additionally, a key to species, distribution maps, and photographs and genitalia illustrations are provided for all species.