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Type: Article
Published: 2017-05-17
Page range: 377–394
Abstract views: 92
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Integrative taxonomy reveals two sympatric species of the genus Eucriotettix Hebard, 1930 (Orthoptera: Tetrigidae)

Department of Biological Sciences, National University of Singapore, 14 Science Drive 4, Singapore 117543, Republic of Singapore.
Federal Scientific Center of the East Asia Terrestrial Biodiversity, Russian Academy of Sciences, Far Eastern Branch, 100 let Vladivostoku ave. 159, Vladivostok 60022, Russia.
Lee Kong Chian Natural History Museum, National University of Singapore 2 Conservatory Drive, Singapore 117377, Republic of Singapore.
Department of Biological Sciences, National University of Singapore, 14 Science Dr 4, Block S1A #05-16, Singapore 117543, Republic of Singapore
Scelimeninae mitochondrial cytochrome c oxidase subunit I (COI) morphometric microhabitat preference taxonomy new species key Singapore Orthoptera

Abstract

Limno-terrestrial pygmy grasshoppers are mostly recognised using morphology but characters used are not always clear-cut for species identification. From a faunistic survey in Singapore, Eucriotettix were collected and two new species are identified and described here: E. guentheri sp. nov. and E. simulans sp. nov. This was done by iteratively incorporating morphological, molecular, morphometric, and ecological data. Mitochondrial COI trees, COI cluster analysis, microhabitat preference, and morphometric analyses provide strong enough indirect evidence that the specimens comprise a pair of species. A key to species of Eucriotettix from Singapore is also provided.

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