A new Dicranocentrus species (Collembola: Entomobryidae) from China with a key to all species in the genus from Asia

Ma, Yitong; Chen, Jian-Xiu

doi:10.11646/zootaxa.1633.1.3

Cited by 3 publications

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“…nov. also resembles species from the Old World from sundanensis and gracilis groups with 3 mac on Abd. I, especially D. gemellus Mari-Mutt 1985 [ 50 ], D. indicus Bonet, 1930 [ 51 ], D. inermodentes (Uchida, 1944) [ 52 ], D. luzonensis Mari-Mutt, 1985 [ 50 ], D. nepalensis Mari-Mutt and Bhattacharjee, 1980 [ 53 ], D. solomonensis Mari-Mutt, 1979 [ 12 ] and D. wangi Ma and Chen, 2007 [ 54 ] also by Abd. II–III central macrochaetotaxy with 2 and 2 mac, respectively.…”

Section: Resultsmentioning

confidence: 99%

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A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

Bellini

Cipola

Siqueira

2020

Insects

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Dicranocentrus Schött is the most diverse and widespread taxon of Neotropical Orchesellidae. In Brazil, the genus is represented by 11 species found in humid forested areas of Atlantic and Amazon forests domains. Here we describe in detail Dicranocentrus abestado sp. nov. from Chapada Diamantina, Caatinga domain, Brazil. The new species belongs to the marias group sensu Mari-Mutt, due to the absence of most posterior macrochaetae on the dorsal head, and resembles other Neotropical species with 3, 2 and 2 central macrochaetae on abdominal segments I–III. However, the new species is unique especially by its reduced colour pattern combined with its empodial complex morphology. We compare Dicranocentrus abestado sp. nov. with 27 other taxa from the New and Old World, including all species with 3 macrochaetae on the first abdominal segment; provide notes and details on the morphology of the compared species plus identification keys to Brazilian and all species of the genus with similar abdominal chaetotaxy. We also discuss the current taxonomical knowledge on Brazilian Dicranocentrus and provide notes on its chaetotaxy and Heteromurinae systematics.

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Section: Resultsmentioning

confidence: 99%

“…Nevertheless, Mari-Mutt [ 12 ] suggests it is from the sundanensis group, closely related to D. inermodentes . Ma and Chen [ 54 ] key considered the S2 mac present in D. indicus, possibly based on [ 12 ], but apparently no material was examined. Because of this we considered such information as dubious.…”

Section: Discussionmentioning

confidence: 99%

A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

Bellini

Cipola

Siqueira

2020

Insects

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A new species of Dicranocentrus (Collembola, Entomobryidae) from China with comments on the systematic position of the genus

Xu¹,

Zhang²

2014

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Dicranocentrus liuae sp. n. is described from the northern subtropical region of China. The new species is most similar to D. wangi Ma & Chen, 2007, but differs from it in the relatively shorter Ant. V, the 1+1 central macrochaetae on Abd. III, the number of chaetae on tenaculum, and the absence of dental spines. The systematic position of Dicranocentrus is also discussed. Present evidence, particularly S-chaetotaxy, indicates that the genus is closer to Heteromurus than to the unscaled species of Orchesella and Orchesellides.

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A new species of Dicranocentrus Schött from Hainan (China) with a key to the Chinese species of the genus (Collembola, Entomobryidae)

Ren¹,

Li²,

Zhang³

2018

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A new species, Dicranocentrus hainanicus Ren & Zhang, sp. n., is described from Hainan Province, China. Complete tergal chaetotaxy including microchaetae is illustrated and discussed. It is characterized by having the dental spines arranged in 2–3 rows, two inner teeth on unguis, 5, 2, 2 central macrochaetae on Abd. I–III, two inner S-chaetae on Abd. V displaced anteriorly, and the additional microchaetae associated with the S-chaeta acc.p6 on Th. II–Abd. II. It is most similar to D. chenae Ma, Chen & Soto-Adames but differs from the latter in the number and arrangement of dental spines and the absence of macrochaeta Pa1 on dorsal head. A key to the Chinese species of the genus is provided.

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A new Dicranocentrus species (Collembola: Entomobryidae) from China with a key to all species in the genus from Asia

Cited by 3 publications

References 0 publications

A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

A Survey of the Brazilian Dicranocentrus Schött (Collembola, Orchesellidae, Heteromurini) with the Description of a New Species and Notes on the Genus

A new species of Dicranocentrus (Collembola, Entomobryidae) from China with comments on the systematic position of the genus

A new species of Dicranocentrus Schött from Hainan (China) with a key to the Chinese species of the genus (Collembola, Entomobryidae)

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