Nemanoke

Nemanoke	Contents	Rev 12/17/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Nemanoke Menu	Economic Importance	Damage
	Distribution	Management
Return to Mesidionematidae Menu	Feeding	References
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Classification:

Chromadorea
Rhabditida Tylenchina Drilonematoidea
Mesidionematidae

Nemanoke Yeates & Spiridonov, 1996

Genus name derived from "Nema" and "noke" which is the Maori word for earthworm

Type species of the genus: Nemanoke aotearoa Yeates & Spiridonov, 1996

Synonyms:

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Morphology and Anatomy:

Two large lateral pseudolabia on cephalic end;
4 papilliform cephalic sensillae;
esophagus rhabditoid, with nerve ring encircling esophagus;
excretory system with strongly cuticularised duct and 4 cytoplasmatic branches in lateral chords;
eggshells elongated, without polar differentiation of surface pattern.
Parasites of acanthodrilid earthworms.

Female:

didelphic, amp[hidelphic; posterior ovary longer than anterior

Male

.Prominent lateral alae, extend from level of nerve ring to level of cloaca.
Anterior with 4 refractile papillae and 2 lateral sensillae present;
Stoma greatly reduced; anterior portion funnel-shaped,
Eesophagus with widened metacorpus and long isthmus. esophageal bulb valves inconspicuous
Monorchic, testis with flexure
Spermatozoa in swollen part of testis,
Single spicule
One pair of protruded papillae,at level of spicule, 2 pairs of papillae close to cloacal opening and a pair of smaller papillae on tail.

Ref: Yeates and Spiridonov, 1996

Nemanoke aotearoa female: A. entire body; B: anterior, lateral view; C: excretory duct; D: vagina and uteri; E: tail region
Drawings from Yeates and Spiridonov, 1996

Body size range for the species of this genus in the database - Click:

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Distribution:

Reported from earthworms of the family Acanthodrilidae in New Zealand

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Economic Importance:

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Feeding:

Parsites of thoracic cavity of earthworms

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Hosts:

Acanthodrilid earthworms

For an extensive host range list for this genus, click

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Life Cycle:

For Ecophysiological Parameters for this genus, click

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Damage:

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Management:

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References:

Yeates, G.W., Spiridonov, S.E. 1996. New nematodes of the families Drilonematidae, Ungellidae and Mesidionematidae fron New Zealand megascolecid earthworms. N.Z. J. Zool. 23:3281-399.

Nemanoke

Copyright 1999 by Howard Ferris. Revised: December 17, 2024.

Copyright 1999 by Howard Ferris.
Revised: December 17, 2024.