Kalubustrongylus arsoensis		Contents		Rev 03/24/2026
		Classification		Biology and Ecology
		Morphology and Anatomy		Life Cycle
Return to Kalubustrongylus Menu				Ecosystem Functions and Services
		Distribution		Management
Return to Trichostongylidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

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 Classification

Chromadorea

Chromadoria

Rhabditida

  Rhabditina

   Trichostronglyloidea

    Trichstrongylidae

Filarinematinae

Kalubustrongylus arsoensis Hasegawa & Dewi, 2025

 

Type species of the genus.

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Morphology and Anatomy:

• With general characteristics of the genus
•  Mouth round; labial papillae long spindle-shaped and submedian cephalic papillae as slight cuticular depressions; amphids just posterior to lateral labial papillae
• Buccal cavity shallow; minute neodont formation present
• Nerve ring at one-third of esophagus length; excretory pore and deirids slightly posterior to nerve ring; transverse furrow on ventral surface present between deirids and excretory pore
• Synlophe with lateral and subventral cuticular ridges

Males:

• Bursa elliptical, wider than long, symmetrical; ray 8 arising from base of dorsal ray, long, reaching bursal rim; dorsal ray with long stem, giving rise to rays 9 and 10 at distal 1/4; ray 10 redivided apically; extra-dorsal rays minute, arising from stem of dorsal ray just distal to origin of ray 8
•  Spicules average 171 um long, with 2 branches - the dorsal with a pointed tip, the ventral with a tubercular tip
• Gubernaculum absent

Females:

• Didelphic, amphidelphic
• Vulva at about 83% of body length, vagina, short,and directed anteriorly from vulva;
• Tail 78 um long, tip narrowed and sharply pointed
•  Eggs ellipsoidal, thin-shelled, developed to morula stage in utero

Ref: Hesegawa and Dewey, 2025

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

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Distribution:

Described from the Common Spiny Bandicoot, Echymipera kalubu in Papua, Indonesia (Hasegawa and Dewi, 2025).

 

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Economic Importance:

 

 

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Hosts:

Common Spiny Bandicoot, Echymipera kalubu

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Feeding:

Parasite of small intestine

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Life Cycle:

 

 

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

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Damage:

 

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Management:

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References:

Hasegawa, H. and Dewi, K. 2025. Kalubustrongylus arsoensis gen. et sp. n. (Trichostrongylidae: Filarinematinae) and Other Nematodes Belonging to the Suborder Trichostrongylina Parasitic in the Common Spiny Bandicoot, Echymipera kalubu, of Papua Indonesia. Acta Parasitologica 70:10 https://doi.org/10.1007/s11686-024-00982-0

 

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