Diplogastrellus metamasius

Diplogastrellus metamasius	Contents	Rev: 06/10/2025
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Diplogastrellus Menu	Economic Importance	Ecosystem Functions and Services
	Distribution	Management
Return to Diplogastridae Menu	Feeding	References
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Diplogastrellus metamasius Kanzake, Giblin-Davis, Zeng, Ye & Center, 2008

Synonyms:

Morphology and Anatomy:

cheilostom with thin adradial cuticular flaps,
anterior region of gymnostom ring strongly cuticularized
stegostom structure resembling a ÃƒÂ¯Ã‚Â¿Ã‚Â½glottoidÃƒÂ¯Ã‚Â¿Ã‚Â½ apparatus with a movable, flap-like, dorsal tooth
elongated median bulb in both sexes,
tail tapering to filiform in both sexes,

Ref Kanzaki et al,. 2008

Females:

Monodelphic, prodelphic, overy well=developed, reflexed to posterior of vulva
Posuterine sac short, less than 1 vbd long.

Males:

Monorchic
Gubernaculum irelatively large
Nine pairs of genital papillae, the first two pairs located far anterior to the cloacal slit.

Diplogastrellus metamasius A: Male; B: Female; C: Stoma (female, left lateral view); D: Stoma (female, ventral view); E: Body surface (adult female); F: Anterior part of adult female.
Drawings from Kanzaki et al., 2008

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

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Distribution:

Diplogastrellus metamasius was discovered associated with, and described from, West Indian sugarcane weevil, Metamasius hemipterus frorm Florida and Costa Rica (Kanazaki et al., 2008).

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Economic Importance:

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Feeding:

Microbial feeding; grows well on bacterial cultures.

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Biology and Ecology:

The relationship with the sugarcane weevil is probably one of phoresy, transporation to new food resources. Inoculations of Galleria mellonella did not result in mortality of the insect (Kanzaki et al., 2008).

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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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Ecosystem Functions and Services:

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Management:

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References:

Kanzaki, N., Giblin-Davis, R.M.,. Zeng, Y., Ye, W., Center, B.J. 2008. Diplogastrellus metamasius n. sp. (Rhabditida: Diplogastridae) isolated from Metamasius hemipterus (L.) (Coleoptera: Dryophthoridae) in southern Florida and Costa Rica. Nematology 10:853-868.