Histiostrongylus

Histiostrongylus	Contents	Rev: 05/09/2026
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Histiostrongylus Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Molineidae Menu	Feeding	References
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Classification:

Chromadoria
Rhabditida: Rhabditina
Infraorder Rhabditomorpha
Molineoidea: Molineidae
Anoplostrogylinae

Histiostrongylus Molin, 1861
Type species of the genus: Histiostrongylus coronatus Molin, 1861

Synonyms:

Morphology and Anatomy:

General Characteristics:

Medium-sized, non-coiled nematodes.
Synlophe consisting of around 100 ridges at mid-body; ridges oriented perpendicularly to the body wall
Head bearing a cephalic hood armed with 8 large spines joined at their base, with a sharp blade.
Mouth triangular with a tiny dorsal tooth. Ring of internal and external labial papillae reduced to two lateral papillae joined into a double papilla near the amphids.
Four cephalic papillae
Esophagus equipped with a valve located before a constriction followed by a distinct distal bulb.
Short esophago-intestinal canal present
Nerve ring, excretory pore, and deirids at the same level, located very anteriorly.
Vestibule asymmetrical
Species of the genus are separated by position of the bursal rays 6 and 8, the dorsal ray and morphology of the esophagus.

Females:

Vulva at 70% of body length
Amphidelphic
Ovejector asymmetric.

Ref: Vaucher and Durette-Desset, 1999

Males:

Species of the genus are separated by position of the bursal rays 6 and 8, the dorsal ray
Spicules very long, 1.5 mm, 19% of body length, unequal, Distal end of each spicule in 3 branches: distal end divided into three branches, mambranes present at the tip of each branch.
Gubernaculum present

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

Distribution:

Species are reported as parasites of fruit eating New World Leaf-nosed bats (Phyllostomidae) in Central and South America.

Feeding:

Food Sources and Feeding strategies for the genus Histiostrongylus

Intestinal parasites of fruit-eating bats

Life Cycle:

For Ecophysiological Parameters for this genus, click

Ecosystem Functions and Services:

Vaucher, C., Durette-Desset, M-C. 1999. Histiostrongylus spineus n. sp. (Nematoda: Trichostrongylina), parasite of Phyllostomus discolor (Chiroptera: Phyllostomidae), and comments on the genera Histiostrongylus Molin, 1861 and Parahistiostrongylus Perez Vigueras, 1941. Rev. Suisse de Zoologie 106:611-620.