Cactodera chenopodiae

Cactodera chenopodiae	Contents	Rev 11/04/2019
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Cactodera Menu	Economic Importance	Damage
	Distribution	Management
Return to Heteroderidae Menu	Feeding	References
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Classification:

    Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Punctoderinae

Cactodera chenopodiae Feng, Wang, Xiao, Pereira, Xuan, Wang, Liu, Chen, Duan & Zhu, 2018

Synonyms:
None

Morphology and Anatomy:

Female: Cyst stage present; circumfenestrate; eggs covered with tubercles.

Body ovate to rounded with small vulval cone
Vulva with slightly protruding lips.
Eggs retained in female body, no external egg mass
Outer cuticular layer marked by a rugose pattern.
Head slightly set off from the elongate neck, stylet and stylet knobs well developed
Excretory pore located at level of end of isthmus
Cysts. rounded to lemon-shaped, from light to dark brown with small vulval cone
Cyst surface with zigzag pattern at mid-body
Vulval cone circumfenestrate without underbridge, bullae or vulval denticles
Anus distinct and encircled by a cuticular disc.

Male: Not observed

Ref: Feng et al., 2018

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

Distribution:

Reported from roots of Chenopodium alba in Beiling Park, Shenyang, Liaoning Province, China

Hosts:

For an extensive host range list for this species, click

Life Cycle:

Endoparaistioc and semiendoparasitic in host-plant roots. Eggs retained in female body, no external egg mass.

Ecophysiological Parameters:

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

Management:

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

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

Feng, Y., Wang, D., Xiao, D., Pereira, T., Xuan, Y., Wang, Y., Liu, X., Chen, L., Duan, Y. & Zhu, X. 2018. Cactodera chenopodiae (Nematoda: Heteroderidae), a new species of cyst nematode parasitizing common lambsquarter (Chenopodium album) in Liaoning, China. Zootaxa 4407: 361-375.