Caloosia longicaudata

Caloosia longicaudata	Contents	Rev 12/20/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Caloosia Menu	Economic Importance	Damage
	Distribution	Management
Return to Hemicycliophoridae Menu	Feeding	References
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Classification:

      Chromadorea
       Rhabditida
       Tylenchina
        Criconematoidea
             Hemicycliophoridae

Caloosia longicaudata (Loos, 1948) Siddiqi & Goodey, 1963

Caloosia longicaudata is the type species of the genus.

Morphology and Anatomy:

Female:

Body slightly ventrally curved when heat killed
Cuticular sheath absent
Cuticle with widely-separated striations
Lateral field anot demarcated
Labial refgion with 2 annules, separated from each other and from first body annule by constrictions
Body striations (annuli) smooth and rounded
Stylet long, slender, with knobs anteriorly sloping
Esophagus with broad isthmus amalgamated with pear-shaped terminal bulb
Vulva a transverse slit with overhanging anterior lip
Monovarial, prodelphic, vagina slightly sigmoid
Spermatheca oval, containing rounded sperm
Tail elongate, becoming filiform

Male

No stylet, esophagus degenerate, poorly developed
Lateral field not visible
Spicules straight, gubernaculum not distinct
Bursa peloderan, ending before tail tip
Tail tapering gradually to a finely-rounded terminus

Ref: Van den Berg et al., 2011

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

Distribution:

Originally reported fro Sri Lanka by Loos (1948) and subsequently from Fiji and the Hawaiian Islands (Van den Berg et al., 2011)/

Hosts:

For an extensive host range list for this species, click

Life Cycle:

Ecophysiological Parameters:

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

Sexually reproducing, males common, sperm observed in spermatheca.

Management:

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click

References:

Loos, C.A. 1948. Notes on free-living and plant-parasitic nematodes of Ceylon 3. Ceylon Jour. Science (B) 23:119-124.

Van den Berg, E., Tiedt, L.R., Subbotin, S.A. 2011. Morphological and molecular characterisation of Caloosia longicaudata (Loos, 1948) Siddiqi & Goodey, 1963 (Nematoda: Caloosiidae) from Maui, the Hawaiian Islands with notes on some species of the genus. Nematology 13:381-393.