Ornithostrongylus

Ornithostrongylus	Contents	Rev: 07/22/2025
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Ornithostrongylus Menu		Ecosystem Functions and Services
	Distribution	Management
Return to Ornithostrongylidae Menu	Feeding	References
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Classification:

Chromadoria
Rhabditida: Rhabditina
Infraorder Rhabditomorpha
Heligmosomoidea: Ornithostrongylidae

Ornithostrongylus Travassos, 1914
Type species of the genus:

Synonyms:

Morphology and Anatomy:

Genus characterized mainly by:

Synlophe with a sub-frontal axis of orientation,
Caudal bursa of type 2-2-1
Didelphic female

Ornithostrongylus volcani: A: female anterior, right lateral view; B: male anterior, ventral view. Scale bar 100 um

Drawings from Durette-Desset et al., 2020

Females:

Didelphic
Infundibulum: long funnel-shaped structures between ovaries and uterine branches.

Ref: Durette-Desset et al., 2020

Males:

Bursa of type 2-2-1

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

Feeding:

Food Sources and Feeding strategies for the genus Ornithostrongylus

Intestinal parasites of birds, mainly reported from Columbiformes (doves and pigeons).

Life Cycle:

For Ecophysiological Parameters for this genus, click

Ecosystem Functions and Services:

Durette-Desset, M-C, Guerrero, R.A., Boyer, J. 2000. Two Trichostrongylina (Nematoda) from Venezuela: a new species of Ornithostrongylus (Heligmosomoidea), parasitic in birds (Columbiformes) and a new species of Molineus (Molineoidea), parasitic in snakes (Squamata). Zoosystema 2000 22 (1)