Heligmonoides vladimiri

Heligmonoides vladimiri	Contents	Rev: 04/09/2026
	Classification	Biology and Ecology
	Morphology and Anatomy	Life Cycle
Return to Heligmonoides Menu	Economic Importance	Ecosystem Functions and Services
	Distribution	Management
Return to Heligmonellidae Menu	Feeding	References
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Classification:

Chromadorea
Chromadoria

Rhabditida
Rhabditina
Infraorder Rhabditomorpha
Heligmosomoidea: Helligmonellidae
Nippostyrongylinae
Heligmonoides vladimiri (Sadovskaja, 1952) Asakawa & Hasegawa, 2018

Synonyms:

Morphology and Anatomy:

Minute nematodes forming sinistral coils.
Cephalic vesicle present. Mouth triangular with rounded corners, encircled by 4 cephalic papillae and 2 amphidial fovea.
Cuticle with fine transverse striations.
Esophagus club-shaped; nerve ring near middle of esophagus; excretory pore and deirids slightly anterior to esophago-intestinal junction..
Synlophe well developed with ridges commencing immediately posterior to cephalic vesicle and termnating at prebursal level in male and at prevulval level in female. Orientation of ridges at 50-60 degrees from sagittal axis; left lateral 4 ridges slightly larger, forming weakly developed carene of type B; dorsal right ridges slightly developed; right subventral ridges minute.

Females:

Synlophe of 29-30 ridges midbody, becoming minute at prevulval level.
Vulva slightly anterior to anus; vagina forming small diverticulum dorsally; vestibule muscular, divided into anterior thick and posterior curved portions; sphincter muscular, narrowed anteriorly; infundibulum slender.
Tail conical, lacking terminal spine.
Eggs ellipsoidal, thin-shelled, containing early cleavage-stage embryo at deposition.

Ref: Asakawa and Hasegawa, 2018

Males:

Synlophe 28 - 29 ridges at midbody, increasing in number but becoming smaller at prebursal level.
Bursa asymmetrical with larger left lobe; rays relatively stout, reaching bursal rim except rays 8; arrangement of bursal rays type 2-2-1 on right lobe and 2-3 on left lobe: rays 2 and 3 widely divergent, rays 4 to 6 with stout trunk, diverged widely; r
Spicules similar in length, thin, alate, distal ends slightly flattened, not fused
Gubernaculum small, round

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

Distribution:

Described from small intestine of the striped field mouse, Apodemus agrarius in China, Taiwan, Korea and Japan (Asagawa and Hasegawa, 2018)

Feeding:

Parasites of the small intestine of a murid rodent, the striped field mouse, Apodemus agrarius.

Biology and Ecology:

An intestinal parasites of rodents in the family Muridae. Assumed host specific as a pearsite of Apodemus agrarius (Asagawa and Hasegawa, 2018).

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

Ecosystem Functions and Services:

Asakawa, M., Hasegawa, H. 2018. Redescription of Heligmonoides vladimiri Sadovskaja, 1952 (Nematoda: Heligmonellidae: Nippostrongylinae) parasitic in the striped field mouse, Apodemus agrarius (Rodentia: Muridae), of the Far East. Biogeography 28:34-40.

Sadovskaya, N.P. 1952. Parasitic worms of rodents and insectivores of the Maritime Territory. Trudy Gelmintol. Lab. Akad. Nauk SSSR, 7: 388-390. (In Russian).