Labrys		Contents		Rev 09/13/2023
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Labrys  Menu		Economic Importance		Damage
		Distribution		Management
Return to Tylenchidae Menu		Feeding		References
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Classification:

 Tylenchida
       Tylenchina
          Tylenchoidea 
         Tylenchidae
        Tylenchinae

          Labrys Qing & Bert, 2018

Type species of the genus: Labrys chinensis Qing & Bert, 2018

    Synonyms

      None

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Morphology and Anatomy:

Labrys is  characterized by: a unique offset labial plate, tapering toward both tips and detached from the adjacent cuticle; visible mainly by SEM. lips protruding laterally elongate amphidial apertures two incisures in the lateral field a delicate stylet with shaft twice the length of the cone an elongate fusiform weakly developed median bulb with a weakly sclerotized valvular apparatus wide excretory pore with heavily sclerotized duct a round spacious postvulval uterine sac male spicules with sharp protrusion Ref: Qing and Bert, (2018), Panahandeh et al. (2018) . Labial plate region of Labrys khuzestanensis SEM photomicrograph from Panahandeh et al., 2019.	Labial plate region of Labrys fuzhouensis SEM photomicrograph from Qiao et al., 2019
Body size range for the species of this genus in the database - Click:

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Distribution:

Species of this rare genus have been reported from China and Iran.

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Economic Importance:

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Feeding:

  Classified as root associates by Yeates et al (1993).

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Hosts:

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Life Cycle:

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Damage:

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Management:

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References:

Panahandeh, Y. Abolafia, J., Pourjam, E., Jahanshahi Afshar, F., Giblin-Davis, R.M., Pedram, M. 2018. Morphological and Molecular Characterization of Labrys filiformis n. sp. (Rhabditida: Tylenchidae) from Iran. J. Nematology 50:343-354.  DOI: 10.21307/jofnem-2018-031

Panahandeh, Y. Pourjam, E., Abolafia, J., Roshan-Bakhsh, A., Mojerlu, S., Jahanshahi Afshar, F., Pedram, M. 2019. Labrys khuzestanensis n. sp.(Nematoda, Tylenchidae), a new member of the genus with large labial plate. Zootaxa 4671: 267-276.

Qiao, K., Mengxin Bai, Yadeng He, Jingwei Chen, Shun Xiao, Xi Cheng, Guokun Liu, Sigal Braun-Miyara and Xue Qing. 2019. Description of Labrys fuzhouensis sp. n. and first record of Coslenchus rafiqi (Nematoda: Tylenchidae) from China. Nematology 21:693-708.

Qing, X. and Bert, W. 2018. 3D printing in zoological systematics: Integrative taxonomy of Labrys chinensis gen. nov., sp. nov. (Nematoda: Tylenchomorpha). Journal of Zoological Systematics and Evolutionary Research 56: 35-47.

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Copyright 1999 by Howard Ferris.
Revised: September 13, 2023.