Two new species of the millipede genus Glyphiulus Gervais, 1847 from Southwest China (Diplopoda: Spirostreptida: Cambalopsidae)

Jiang, Xuan-Kong; Lv, Jingcai; Guo, Xuan; Yu, Zhi-Gang; Chen, Huiming

doi:10.11646/zootaxa.4323.2.3

Cited by 1,161 publications

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“…The large southeast Asian millipede genus Glyphiulus Gervais, 1847 has recently been reviewed and shown to comprise 57 species ranging from southern China, northern Laos, and northern Thailand in the north to southern Vietnam in the south (Golovatch et al 2007a, b; 2011a, b; Jiang et al 2017). Only one species, G. granulatus (Gervais, 1847), has attained a pantropical distribution due to numerous anthropochore introductions.…”

Section: Introductionmentioning

confidence: 99%

Two new species of the millipede genus Glyphiulus Gervais, 1847 from Laos (Diplopoda, Spirostreptida, Cambalopsidae)

Likhitrakarn¹,

Golovatch

Inkhavilay³

et al. 2017

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Two new species of Glyphiulus are described and illustrated from northern Laos. The epigean Glyphiulus subbedosae Likhitrakarn, Golovatch & Panha, sp. n. is the second member of the granulatus-group to be found in that country and it seems to be especially similar to G. bedosae Golovatch, Geoffroy, Mauriès & VandenSpiegel, 2007. However, it differs from the latter species by a row of several strong setae near the median marginal ridge on the paraprocts, combined with the gnathochilarium being considerably less densely setose on the caudal face, and the anterior gonopods showing a pair of smaller, apical, but larger lateral teeth on the coxosternal plate. Glyphiulus semicostulifer Likhitrakarn, Golovatch & Panha, sp. n. is the fourth member of the javanicus-group to be discovered in Laos, taken from a cave. It seems to be particularly similar to G. costulifer Golovatch, Geoffroy, Mauriès & VandenSpiegel, 2007, but is distinguished by the more sparsely alveolate background fine structure of the metazonae, coupled with the gnathochilarium being considerably less densely setose on the caudal face, much stronger paramedian prongs and 4-segmented telopodites on ♂ coxae 1, the slightly longer and more slender apicoparamedian sternal projections on the anterior gonopods, and the much longer flagella of the posterior gonopods. An identification key to and a distribution map of Glyphiulus species in Laos are also presented.

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Section: Introductionmentioning

confidence: 99%

Two new species of the millipede genus Glyphiulus Gervais, 1847 from Laos (Diplopoda, Spirostreptida, Cambalopsidae)

Likhitrakarn¹,

Golovatch

Inkhavilay³

et al. 2017

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“…The genus Trachyjulus shows a collum which is smooth or nearly smooth at least dorsally, usually not particularly inflated compared to postcollum constrictions; midbody metazonae are strongly carinate, the carinotaxic formulae typically being 11-8/11-8+I/ i+2/2+m/m; male leg 1 is strongly reduced to a broad transverse coxosternum that shows a pair of central, often completely fused coxal processes flanked by rudimentary telopodites; some structures of the gonopods are also unique. It is gonopodal structures, often highly conservative, that usually appear to be especially useful for species delimitations among congeners in the family Cambalopsidae (Golovatch et al 2007a(Golovatch et al , 2007b(Golovatch et al , 2009(Golovatch et al , 2011a(Golovatch et al , 2011b(Golovatch et al , 2011c(Golovatch et al , 2011d(Golovatch et al , 2012bJiang et al 2017;Likhitrakarn et al 2017). Morphologically, the new species looks especially similar to T. unciger, but both are clearly distinguishable (see Diagnosis above).…”

Section: Discussionmentioning

confidence: 97%

“…By far the largest genus is Glyphiulus Gervais, 1847 with its 60+ species ranging across China and Southeast Asia to Borneo in the east (Golovatch et al 2007a(Golovatch et al , 2007b(Golovatch et al , 2011b(Golovatch et al , 2011c(Golovatch et al , 2012bJiang et al 2017Jiang et al , 2018Likhitrakarn et al 2017;Liu and Wynne 2019;Golovatch and Liu 2020). The genus Plusioglyphiulus Silvestri, 1923 encompasses 28 described species ranging from northern Thailand and Laos in the west, through Myanmar and Malaysia, to Borneo in the east and southeast (Golovatch et al 2009(Golovatch et al , 2011aLikhitrakarn et al 2018).…”

Section: Introductionmentioning

confidence: 99%

A remarkable new species of the millipede genus Trachyjulus Peters, 1864 (Diplopoda, Spirostreptida, Cambalopsidae) from Thailand, based both on morphological and molecular evidence

Likhitrakarn¹,

Golovatch²,

Jeratthitikul³

et al. 2020

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A new, giant species of Trachyjulus from a cave in southern Thailand is described, illustrated, and compared to morphologically closely related taxa. This new species, T. magnussp. nov., is much larger than all other congeners and looks especially similar to the grossly sympatric T. unciger Golovatch, Geoffroy, Mauriès & VandenSpiegel, 2012, which is widespread in southern Thailand. Phylogenetic trees, both rooted and unrooted, based on a concatenated dataset of the COI and 28S genes of nine species of Cambalopsidae (Trachyjulus, Glyphiulus, and Plusioglyphiulus), strongly support the monophyly of Trachyjulus and a clear-cut divergence between T. magnussp. nov. and T. unciger in revealing very high average p-distances of the COI gene (20.80–23.62%).

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“…Terminology used in this paper follows the descriptions by Golovatch et al (2007a, b, 2011) and Jiang et al (2017).…”

Section: Methodsmentioning

confidence: 99%

“…They are endemic to southeast Asia, distributed from southern China, across Vietnam, Laos, and Thailand, to Java, Indonesia (Golovatch et al 2007b, Jiang et al 2017, Likhitrakarn et al 2017). Among them, fourteen species occur in China, with most of them being cavernicolous:…”

Section: Introductionmentioning

confidence: 99%

Four new species of the Glyphiulus javanicus group from southern China (Diplopoda, Spirostreptida, Cambalopsidae)

Jiang¹,

Guo²,

Chen³

et al. 2018

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Hitherto, 24 species of the Glyphiulus javanicus group have been recorded, all endemic to Southeast Asia, including 14 in China. Nevertheless, this species group needs further exploration. In this context, four new species of this group are described, all collected from limestone caves in Southern China: G. calceus sp. n., G. foetidus sp. n., G. guangnanensis sp. n., and G. impletus sp. n. They can be separated easily from each other and other congeners by their carinotaxic formulae, the structures of male legs I, and the gonopods. Due to the absence of any troglomorphic traits in our specimens, they may be troglophilic only.

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Two new species of the millipede genus Glyphiulus Gervais, 1847 from Southwest China (Diplopoda: Spirostreptida: Cambalopsidae)

Cited by 1,161 publications

References 0 publications

Two new species of the millipede genus Glyphiulus Gervais, 1847 from Laos (Diplopoda, Spirostreptida, Cambalopsidae)

Two new species of the millipede genus Glyphiulus Gervais, 1847 from Laos (Diplopoda, Spirostreptida, Cambalopsidae)

A remarkable new species of the millipede genus Trachyjulus Peters, 1864 (Diplopoda, Spirostreptida, Cambalopsidae) from Thailand, based both on morphological and molecular evidence

Four new species of the Glyphiulus javanicus group from southern China (Diplopoda, Spirostreptida, Cambalopsidae)

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