Hemicriconemoides chitwoodi 




Rev 01/17/2021

Sheathoid Nematode Classification Hosts
Morphology and Anatomy Life Cycle
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           Hemicriconemoides chitwoodi Esser, 1960

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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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California, east coast, southeast, e.g., Florida. 

Hemicriconemoides chitwoodi  reported as common as dagger nematode along north and central coastal vineyards of California. Its damage level is unknown (Chang and Raski, 1972).  However; Pinochet and Raski (1975) considered this a misidentification and described the species on grapevines in California as H. californianus.

H. chitwoodi has also been mistakenly identified as H. gaddi from camellia in Louisiana and Georgia (Pinochet and Raski, 1975).


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Economic Importance:



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Camellia in Florida, grape in California. 

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

There are earlier biological studies on this nematode, but no recent reports.  

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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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Chang, H., and D. J. Raski. 1972. Hemicriconemoides chitwoodi on grapevines.Plant Dis. Rep. 56:1028-1030.
Pinochet, J. and Raski, D.J. 1975. Four New Species of the Genus Hemicriconemoides (Nematoda: Criconematidae). Journal of Nematology 7:263-270.

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Copyright 1999 by Howard Ferris.
Revised: January 17, 2021 .