A new species of Laccobius Erichson, 1837 from China &lt;br /&gt;(Coleoptera: Hydrophilidae)

Jia, Fenglong; Song, Ke-Qing; Gentili, Elio

doi:10.11646/zootaxa.3734.1.11

Cited by 2 publications

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“…Since the species of the genus Laccobius Erichson, 1837 occurring in China and neighboring areas were reviewed by Gentili (1995, 2003) and Jia et al (2013a), and only three species of this genus were described from this region more recently (Jia et al 2013b; Gentili 2015; Zhang and Jia 2017). The fauna of the eastern Himalayas and neighboring mountain systems have not yet been investigated properly and the discovery of additional species is expected.…”

Section: Introductionmentioning

confidence: 99%

A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China

Jia

Chen

Fikáček

2019

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A new species of the water scavenger beetle, Laccobius (Glyptolaccobius) motuoensissp. nov., is described from Motuo County, Xizang, China and its diagnostic characters are illustrated. Examination of this new species and re-examination of previously described species revealed that the separation of the subgenus Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 is artificial: both subgenera are hence combined here. Cyclolaccobiussyn. nov. is synonymized with Glyptolaccobius, and the latter is shown to be diagnosed by 7-segmented antennae as a unique synapomorphy. All species treated until now under Cyclolaccobius are here transferred to Glyptolaccobius, with the only exception of L. hingstoni Orchymont, 1926, L. jumlanus Gentili, 2015 and L. zugmayeri Knisch, 1910 which are tentatively transferred to the subgenus Hydroxenus Wollaston, 1867, as their antennae bear eight antennomeres. Three species are recorded for the first time from China: L. (Microlaccobius) orientalis Knisch, 1924 from Xizang, Laccobius (M.) exilis Gentili,1974 from Xinjiang, and Laccobius (M.) sublaevis J. Sahlberg, 1900 from Xinjiang. Additional faunistic data from China are provided for the following species: L. (Microlaccobius) hammondi Gentili, 1984, Laccobius (M.) formosus Gentili, 1979, Laccobius (Hydroxenus) hingstoni d’Orchymont, 1926, Laccobius (Glyptolaccobius) yunnanensis Gentili, 2003, Laccobius (Compsolaccobius) decorus (Gyllenhal, 1827), Laccobius (Dimorpholaccobius) bipunctatus (Fabricius, 1775), Laccobius (D.) striatulus (Fabricius, 1775), Laccobius (s. str.) bedeli Sharp, 1884, L. (s. str.) binotatus d’Orchymont, 1934, Laccobius (s. str.) cinereus Motschulsky, 1860, and Laccobius (s. str.) minutus (Linnaeus, 1758).

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Section: Introductionmentioning

confidence: 99%

A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China

Jia

Chen

Fikáček

2019

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Laccobius leopardus sp. nov. from the Western Cape of South Africa (Coleoptera: Hydrophilidae)

Bilton

Gentili

2014

Zootaxa

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With 257 species known worldwide (Hansen, 1999; Short & Hebauer, 2006; Short & Fikáček, 2011; Gentili, 2012; Jia et al., 2013a; Jia et al, 2013b; Gentili, 2014), Laccobius Erichson is one of the most diverse genera of Hydrophilidae, most species having a relatively uniform convex, rounded appearance. To date only 26 species are known from sub-Saharan Africa (Gentili, 1981; Hebauer, 2006), 11 of which have been reported from southern Africa (Staals & DeMoor, 2007), five being endemic to the region. Southern African species to date all belong to the subgenera Microlaccobius Gentili and Hydroxenus Wollaston. Here we describe a new species of Hydroxenus from the Western Cape province of South Africa. The new species is morphologically closest to Laccobius caffer Boheman, a species widely distributed from western and central Africa to South Africa and Namibia, but the two can be distinguished readily on both external morphology and male genitalia. The new species was collected in marginal gravels of a drying river bed, a typical habitat for many Laccobius, and one which would repay further study in other parts of southern Africa, whose water beetle fauna remains incompletely known.

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A new species of Laccobius Erichson, 1837 from China <br />(Coleoptera: Hydrophilidae)

Cited by 2 publications

References 2 publications

A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China

A new species of Laccobius Erichson, 1837 (Hydrophilidae, Coleoptera) from the Chinese Himalaya, with comments on taxonomic status of subgenera Glyptolaccobius Gentili, 1989 and Cyclolaccobius Gentili, 1991 and additional faunistic records from China

Laccobius leopardus sp. nov. from the Western Cape of South Africa (Coleoptera: Hydrophilidae)

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