Wiesoncholaimus jambio

Wiesoncholaimus jambio	Contents	Rev: 11/21/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Wiesoncholaimus Menu	Economic Importance	Damage
	Distribution	Management
Return to Oncholaimidae Menu	Feeding	References
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Classification:

Enoplida
Oncholaimoidea
Oncholaimidae: Oncholaiminae

Wiesoncholaimus jambio Shimada & Kakui, 2022

Synonyms:

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Morphology and Anatomy:

Cuticle smooth, without striation. Somatic setae sparse, mainly present in cervical and caudal regions.
Head rounded, constricted at level of amphids; six lips with six inner labial papillae, six outer labial and four cephalic setae
Amphids with slit-like aperture and cup-shaped fovea
Buccal cavity barrel-shaped with sclerotized walls; three teeth well-developed, almost equal in size and shape.
Pharynx gradually widened toward posterior end, 0.1 x body length. Cardia surrounded by intestine.
Nerve ring located at mid-pharynx.
Pore of secretory-excretory system located at 1.5-1.7 buccal cavity lengths from anterior end.
Tail conico-cylindrical, conical in anterior fifth, 4.6-4.8 cloacal body diameters, slightly widened at end, with spinneret and pair of terminal setae.
Tail width at posterior end of concal portion 0.3 cloacal body diameters, at narrowest point of cylindrical portion 0.15 cbd.

	Females: Monodelphic prodelphic. Telogonic ovary antidromously reflexed, situated on left side of intestine Vulva at 75% of body length, Demanian system present, situated on right side of intestine. Ductus uterinus connected to dorsal side of uterus anterior to vulva.

Males: Diorchic. Two telogonic testes opposed and outstretched, both situated on right side of intestine, One pair of ventromedian papillae just anterior to cloacal opening. Circumcloacal setae arranged in single circle, 13â€“14 pairs in total: Row of subdorsal setae located in conical portion. Four or five setae present on both sides of cylindrical portion. Spicules slender, 3.4-3.6 x CBD Gubernaculum absent. Ref: Shimada and Kakui, 2022 Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

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Distribution:

Free-living marine nematodes described from samples taken by dredge off the coast of Jogashima, Miura, Kanagawa Prefecture, Japan, in Sagami Bay in the North Pacific Ocean.

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Economic Importance:

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Feeding:

Probably epistrate feeders.

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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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Damage:

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Management:

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References:

Inglis W.G. 1966. Marine nematodes from Durban, South Africa. Bull Br Mus Nat Hist Zool 14: 81-106.

Shimada, D. and Kakui, K. 2022. Three Free-living Marine Nematodes From Sagami Bay, Japan, With a Description of Wiesoncholaimus jambio sp. nov. (Nematoda: Oncholaimidae). Zool. Science 39:106-114.

Wiesoncholaimus jambio

Probably epistrate feeders.

Copyright Ã‚Â© 1999 by Howard Ferris. Revised: November 21, 2024.

Copyright Ã‚Â© 1999 by Howard Ferris.
Revised: November 21, 2024.