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A new genus and two new species of chigger mites (Acari: Trombiculidae) from the Laotian rock-rat Laonastes aenigmamus Jenkins, Kilpatrick, Robinson & Timmins (Rodentia: Diatomyidae)

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Abstract

A new chigger mite genus Laotrombicula n. g. and two new species, Laotrombicula khunboromi n. sp. (type-species) and L. fangumi n. sp., are described from the Laotian rock-rat Laonastes aenigmamus Jenkins, Kilpatrick, Robinson & Timmins (Rodentia: Diatomyidae). The new genus is most similar to Trombiculindus Radford, 1948 and Leptotrombidium Nagayo, Miyagawa, Mitamura & Imamura, 1916 and differs from these genera by having the scutum of subhexagonal or semicircular shape vs widely rectangular; pinnatifid dorsocentral idiosomal setae vs foliaceous in Trombiculindus and unexpanded in Leptotrombidium; and by the presence of serrated longitudinal crests in the middle part of scutum.

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Acknowledgements

I am grateful to Dr Andre V. Bochkov (ZIN) who provided me with the material. I express my appreciation to an anonymous reviewer for valuable comments. This research was supported by a grant from the Russian Foundation for Basic Research No. 13-04-00028-a.

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  1. Zoological Institute, Universitetskaya Embankment 1, St. Petersburg, 199034, Russia

    Alexandr A. Stekolnikov

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Correspondence to Alexandr A. Stekolnikov.

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Stekolnikov, A.A. A new genus and two new species of chigger mites (Acari: Trombiculidae) from the Laotian rock-rat Laonastes aenigmamus Jenkins, Kilpatrick, Robinson & Timmins (Rodentia: Diatomyidae). Syst Parasitol 87, 21–31 (2014). https://doi.org/10.1007/s11230-013-9453-4

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