Dolichodorus pulvinus




Rev 11/19/2019

Awl Nematode Classification Hosts
Morphology and Anatomy Life Cycle
Return to Dolichodorus Menu Economic Importance Damage
Distribution Management
Return to Dolichodoridae Menu Feeding  References
    Go to Nemaplex Main Menu   Go to Dictionary of Terminology




         Dolichodorus pulvinus Khan, Seshadri, Weischer & Mathen. 1971.



Back to Top

Morphology and Anatomy:



Median bulb well-developed.  

Excretory pore anterior to median bulb, at level of stylet knobs.

Basal esophageal bulb elongate-pyriform. Not overlapping intestine. .  

Ovaries paired, outstretched, spermathecae present.

Tail tapering abruptly then elongate conoid.    

Male: Similar to female.

Spicules slightly arcuate, gubernaculum straight..

Males have unique caudal alae, well-developed. Tail tip appears bifurcate in ventral view.





Dolichodorus pulvinus A: Entire female; B:Female tail; C:Female vulval region; D: Male tail ventral view;
E: Male tail ventral view; F en face view; G: Anterior region detail.

Source: Khan et al., 1971.

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

Back to Top


Recorded from sandy-loam soil around roots of cocnut palms, Cocos nucifera, in Kayangulam, Kerala, India. 

Back to Top

Economic Importance:



Back to Top


Ectoparasite mainly at root tip; nematode has long stylet.

Back to Top


For an extensive host range list for this species, click


Back to Top

Life Cycle:

Ecophysiological Parameters:

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




Back to Top


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

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


Back to Top


Khan, E., Seshadri, A. R., Weischer, B., & Mathen, K. 1971. Five new nematode species associated with coconut in Kerala, India. Indian Journal of Nematology, 1: 116-127.


Back to Top

Copyright © 1999 by Howard Ferris.
Revised: November 19, 2019.