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DOI: https://dx.doi.org/10.11646/zootaxa.3768.5.3

New species of Monodontocerus (Collembola: Tomoceridae) from southern China with diagnostic notes on the genus and introduction of new taxonomic characters

DAOYUAN YU, LOUIS DEHARVENG, FENG ZHANG

Abstract


Three new species of Monodontocerus are described from caves in southern China: M. absens sp. nov. is characterized by its cephalic chaetotaxy and the absence of chaetae from the tenaculum; M. mulunensis sp. nov. is characterized by a combination of characters including chaetotaxy, foot complex and furca; M. trigrandis sp. nov. is different from other species in the formula of dental spines and the reduction of the ungual teeth. A key to the species of Monodontocerus is provided. Potential diagnostic characters for this genus are proposed. Troglomorphy and interspecific variability are discussed. Pseudopores and the dorsal disto-lateral chaeta on the manubrium are introduced as new taxonomic characters for Tomocerinae.

 


Keywords


cave, taxonomy, interspecific variability, identification key, new characters

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References


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