Mbanema

Mbanema	Contents	Rev 08/24/2026
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Mbanema Menu	Economic Importance	Damage
	Distribution	Management
Return to Drilonematidae Menu	Feeding	References
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Classification:

Chromadorea
Rhabditida Tylenchina Drilonematoidea
Drilonematidae: Diceloidinae

Mbanema Spiridonov, 1992

Type species of the genus: Mbanema nigeriense Spiridonov, 1992

Synonyms:

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Morphology and Anatomy:

With some morphological charcteristics similar to those of Diceloides.

Body surface smooth with thin cuticular envelope;
Large pocket-like amphids, four cephalic papillae; two rows of vesicular lateral sensory organs with elliptical opening on body surface; long bristle protrudes from this opening;
Buccal cavity reduced;
Amphids elliptical
Esophagus with glandular dorsal sector of corpus; basal bulb with enlarged nucleus; excretory pore, duct and large gland present.
Caudal suckers present.


Mbanema nigeriense Female. A : Total view; B : Total view (inner structures); C : Esophagus; D : Tail. Drawings from Spiridonov, 1992	Mbanema nigeriense Male. A : Total view; B : Total view (inner structures); C : Head; D : Lateral hypodermal cord organization; E and F : Copulatory apparatus Drawings from Spiridonov, 1992

Female:

Monodelphic with small rudiment of posterior uterus;
Spermatheca located on anterior bend of gonad, close to esophagus;
Vulva at 56%
Anal opening not seen, may be absent
Eggs in uterus; egg-shell smooth, without operculum.

Male

Spicules equal, falcate, with large manubri
Gubernaculum broad, embracing spicules;
Bursa and genital papillae absent
Tail tip strongly coiled

Ref: Spiridonov, 1992

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

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Distribution:

Reported from earthworms of the family Eudrilidae in Nigeria.

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Economic Importance:

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Feeding:

Food Sources and Feeding strategies for the genus Mbanema

Parasites of body cavity of earthworms

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Hosts:

Eudrilus eugeniae (Eudrilidae : Annelida, Oligochaeta)

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:

Spiridonov, S.E. 1992. Mbanema nigeriense n. gen., n. sp. (Drilonematidae : Nematoda) from Eudrilus eugeniae (Eudrilidae : Oligochaeta) in Nigeria. Fundamental and Applied Nematology 15:443-447

Mbanema

Revised by Howard Ferris. Revised: August 24, 2026.

Revised by Howard Ferris.
Revised: August 24, 2026.