Epicharinema keralense

Epicharinema keralense	Contents	Rev 02/15/2021
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Epicharinema Menu	Economic Importance	Damage
	Distribution	Management
Return to Tylenchidae Menu	Feeding	References
	Go to Nemaplex Main Menu	Go to Dictionary of Terminology

Classification:

Tylenchida
       Tylenchina
        Tylenchoidea
         Tylenchidae

Ecphyadophorinae

Epicharinema keralense Raski, Maggenti, Koshy & Sosamma, 1980

Type and only species as of 2018

Synonyms:

Morphology and Anatomy:

Body lomg (1.1-1.4 mm) and very slender
Tapers towards head region and then expands at head, providing a bottle-shaped anterior region.
Cuticle smooth with a few striations detected near head by SEM
Stylet long, knobs and shaft robust but cone reduces to an extremely slender tip.
Metacorpus valvulated and well developed; postcorpus glands slighly overlapping intestine..

Female:

Monodelphic prodelphic
Vulva with a delicate vulval flap on anterior lip that obscures the opening.
Tail long, filiform

Male:

Caudal alae extend posteriorly
Gubernaculum long and simple.
Body narrows abruptly behind the cloaca to a long, filiform tsail

Ref: Geraert (2008)

Refer to subfamily diagnosis (Ecphyadophorinae).

Epicharinemma keralense: A-H Female: A. Anterior; B-F Sequential transverse sections from first 30 um of anterior end; G Esophageal region; H Poseterior and tail region. I-K Male: I Spicules and caudal alae, ventral view; J Lateral view; K. Tail region. (from Raski et al., 1980)

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

Key to the Family Tylenchidae

Back to Top

Distribution:

Described from sandy soil around roots of coconut palm in Kayangulam, India.

Back to Top

Economic Importance:

Back to Top

Feeding:

Unknown. Based on stylet length and esophageal configuration, probably an ectoparasite of plant roots.

Back to Top

Hosts:

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

Damage:

Back to Top

Management:

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

References:

Geraert, E.2008. The Tylenchidae of the World - Identification of the family Tylenchidae (Nematoda). Academia Press, Gent, Belgium 540p.

Raski, D.J., Maggenti, A.R., Koshy, P.K., and Sosamma, V.K. 1982. Epicharinema keralense n. gen, n. sp., and comments on Atylenchinae and Ecphyadophorinae (Nemata, Tylenchinae). Rev. Nematologie 3:297-304.