The "minute diving beetles" of southern Australia - taxonomic revision of Gibbidessus Watts, 1978, with description of six new species (Coleoptera, Dytiscidae, Bidessini)

被引：3

作者：

Hendrich, Lars ^{[1
]}

Watts, Chris H. S. ^{[2
]}

Balke, Michael ^{[1
]}

机构：

[1] SNSB Zool Staatssammlung Munchen, Munchhausenstr 21, D-81247 Munich, Germany

[2] South Australian Museum, North Terrace, Adelaide, SA 5000, Australia

来源：

ZOOKEYS | 2020年 / 975期

关键词：

Key; mitochondrial DNA; new species; smallest epigean Australian Dytiscidae species; southern Australia; temporary wetlands; peatlands; GENERA LIMBODESSUS GUIGNOT; UNDERGROUND WATERS; NIRRIPIRTI WATTS; HUMPHREYS; GENUS;

D O I：

10.3897/zookeys.975.55456

中图分类号：

Q95 [动物学];

学科分类号：

071002 ;

摘要：

Morphology and mitochondrial DNA sequence data are used to reassess the taxonomy of Australian diving beetles previously assigned to the genera Uvarus Guignot, 1939 and Gibbidessus Watts, 1978. Gibbidessus was described as a monotypic genus for Gibbidessus chipi Watts, 1978. The genus is significantly extended here. Based on molecular systematic evidence, Uvarus pictipes (Lea, 1899) is transferred to Gibbidessus. Gibbidessus chipi and Gibbidessus pictipes comb. nov. are redescribed, and six new species are described: Gibbiddessus atomus sp. nov. (SW Australia, Northcliffe area) [the smallest epigean diving beetle in Australia], G. davidi sp. nov. (SW Australia), G. drikdrikensis sp. nov. (Victoria), G. kangarooensis sp. nov. (SA Kangaroo Island), G. pederzanii sp. nov. (SW Australia, Nannup area), and G. rottnestensis sp. nov. (SW Australia). Species are delineated using characters such as male genital structure and beetle size, shape and colour pattern. Mitochondrial Cox1 data for 27 individuals, representing five species, were generated, and revealed clusters congruent with the morphological evidence. Gibbidessus occur in southern Australia, with the centre of diversification in the isolated peat-and wetlands of SW Australia. All species occur in very shallow water of seasonal, exposed or half-shaded wetlands and flooded meadows.

引用

页码：11 / 49

页数：39

共 27 条

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