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Proparasitylenchus californicus n. sp. (Tylenchida: Allantonematidae), parasitic in the intertidal rove beetle Tarphiota geniculata (Mäklin) (Coleoptera: Staphylinidae) in California, USA

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Abstract

A new nematode species, Proparasitylenchus californicus n. sp., is described from the intertidal rove beetle Tarphiota geniculata (Mäklin) (Coleoptera: Staphylinidae) in California, USA. The new species differs from European representatives of the genus by possessing a cleft stylet in both sexes. The parasitic female is ovoviviparous and produces numerous juveniles that moult twice in the beetle host, then exit and moult twice to the adult stage in the environment. After mating, the free-living fertilised females enter a new host. Heavy infections sterilise the beetles. This is the first record of the genus Proparasitylenchus Wachek, 1955 in the New World and the first allantonematid parasite of a marine, intertidal beetle.

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Acknowledgements

The authors thank Armand M. Kuris for helpful discussions.

Funding

The UC Santa Barbara Coastal Fund (Grant # FALL10-03) supported this project.

Conflict of interest

The authors declare that they have no conflict of interest.

Compliance with ethical standards

All applicable institutional, national and international guidelines for the care and use of animals were followed.

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Authors and Affiliations

  1. Department of Integrated Biology, Oregon State University, Corvallis, OR, 97331, USA

    George Poinar Jr.

  2. Department of Ecology, Evolution and Marine Biology, University of California, Santa Barbara, CA, 93106, USA

    Nicole Datlen, Magaly Espinoza & John McLaughlin

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  1. George Poinar Jr.
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  2. Nicole Datlen
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  3. Magaly Espinoza
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  4. John McLaughlin
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Correspondence to George Poinar Jr..

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Poinar, G., Datlen, N., Espinoza, M. et al. Proparasitylenchus californicus n. sp. (Tylenchida: Allantonematidae), parasitic in the intertidal rove beetle Tarphiota geniculata (Mäklin) (Coleoptera: Staphylinidae) in California, USA. Syst Parasitol 92, 57–64 (2015). https://doi.org/10.1007/s11230-015-9573-0

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  • DOI: https://doi.org/10.1007/s11230-015-9573-0

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