Hirschmanniella pomponiensis		Contents		Rev 05/20/2008
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Hirschmanniella Menu		Economic Importance		Damage
		Distribution		Management
Return to Pratylenchidae Menu		Feeding		References
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Classification:

      Tylenchida
       Tylenchina
        Tylenchoidea

         Pratylenchidae

          Pratylenchinae

           Hirschmanniella pomponiensis

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Morphology and Anatomy:

Female head region of Hirschmanniella pomponiensis. Note that the lip region is not offset but has five annules.  Slit-like amphid aperture below lip region.	Hirschmanniella anterior region.  Note very long overlapping esophageal glands
	One gonad of diovarial female showing oocytes and spermatheca.
Female tail with terminal spike Female tail, lateral field areolated.
Male caudal alae and tail region.

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Distribution:

North eastern California

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Economic Importance:

D-rated pests in California.

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Feeding:

Migratory endoparasite of roots.  Juveniles and adults enter behind the root tip and move in air channels; can also migrate into older roots. 

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Hosts:

common cattail (Typha latifolia)

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Life Cycle:

1:1 sex ratio of males to females.

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Damage:

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Management:

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References:

Photomicrographs by John Chitambar, CDFA. and Howard Ferris

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Copyright © 1999 by Howard Ferris.
Revised: May 20, 2008.