A new species group in the genus Dichaetophora, with descriptions of six new species from the Oriental region (Diptera, Drosophilidae)

Yang, J.H. and Toda, M.J. and Suwito, A. and Hashim, R. and Gao, J.J. (2017) A new species group in the genus Dichaetophora, with descriptions of six new species from the Oriental region (Diptera, Drosophilidae). ZooKeys, 665. pp. 121-146. ISSN 1313-2989

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Official URL: http://dx.doi.org/10.3897/zookeys.665.11609

Abstract

The genus Dichaetophora Duda comprises 61 described species classified into four species groups: agbo, tenuicauda, acutissima and sinensis. This genus is distributed exclusively in the Old World, and is rich in species in the tropical and subtropical areas of the Oriental, Australasian, and Afrotropical regions. In this paper, a new species group, the trilobita group, is established for six new species discovered from the Oriental region. The delimitation of these species is firstly performed in light of morphology and further with the aid of DNA sequences of the mitochondrial COI and COII (cytochrome c oxydase, subunits I and II, respectively) genes, considering also their respective geographical origins. Then, the new species (trilobita Yang & Gao, sp. n., heterochroma Yang & Gao, sp. n., flatosternata Yang & Gao, sp. n., borneoensis Yang & Gao, sp. n., javaensis Yang & Gao, sp. n., and sumatraensis Yang & Gao, sp. n.) are described, and a key, based on not only morphological but also molecular information, is provided.

Item Type: Article
Uncontrolled Keywords: DNA barcoding; Geographical isolation; Mitochondrial DNA; Taxonomy
Subjects: Q Science > Q Science (General)
Q Science > QH Natural history
Divisions: Faculty of Science
Depositing User: Ms. Juhaida Abd Rahim
Date Deposited: 10 Aug 2018 07:40
Last Modified: 10 Aug 2018 08:12
URI: http://eprints.um.edu.my/id/eprint/19004

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