Hemicycliophora ripa




Rev 07/19/2021

Sheath Nematode Classification Hosts
Morphology and Anatomy Life Cycle
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          Hemicycliophora ripa Van den Berg, 1981

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Morphology and Anatomy:




Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

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Reported from grasses and Psidium guajava (guava) in South Africa (van den Berg, 1981).
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Economic Importance:

Demonstrated to cause damage to Swiss chard (Beta vulgaris) (Malan and Meyer, 1993).

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  Ectoparasite at and near root tips.

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For an extensive host range list for this species, click


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Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click If species level data are not available, click for genus level parameters


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Feeding causes root tip swelling, stubby roots and poor growth.


Root tip swelling  caused by feeding of Hemicycliophora ripa Hemicycliophora ripa feeding at root tip Damage to Swiss chard at field level
Photographs from Malan and Meyer (1993)


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Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click


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Malan, A.P., Meyer, A,J, 1993. The effect of Hemicycliophora ripa on Swiss chard. Phytophylactica 25:295-296.

Van den Berg, E. 1981. Further studies on the genus Hemicycliophora de Man, 1921 in South Africa (Nematoda: Hemicycliophoroidea) with a description of a new species. Phytophylactica 13:181-194.

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Copyright © 1999 by Howard Ferris.
Revised: July 19, 2021.