Cactodera rosae		Contents		Rev 03/30/2021
		Classification		Hosts
		Morphology and Anatomy		Life Cycle
Return to Cactodera Menu		Economic Importance		Damage
		Distribution		Management
Return to Heteroderidae Menu		Feeding		References
		Go to Nemaplex Main Menu		Go to Dictionary of Terminology

Classification:

    Tylenchida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Punctoderinae

           Cactodera rosae Cid del Prado & Miranda, 2008.

The species name is in honor of Rosa, the mother of Dr. Ignacio Cid del Prado.

 Synonyms:
     None

Back to Top

Morphology and Anatomy:

J2:.The second stage juvenile has:  4-5 lip annulations  a strong stylet 16-26 µm long with rounded stylet knobs  lateral fields with four incisures and incomplete areolation.	Female: Cyst stage present; circumfenestrate; eggs without punctation or tubercles.   Cysts are lemon-shaped, dark brown to black color, 460-840 µm length, with a length/width ratio of 1.2-2.1, strongly striated pattern on the cuticle. Prominent vulval cone with circumfenestrate vulva, and an anus located 25-60 µm from the fenestra in a depression in the cuticle. Egg surfaces bear conspicuous punctations.
Male: Body twisted.
	photographs: I. Cid del Prado

Back to Top

Distribution:

Mexico.

Back to Top

Economic Importance:

Back to Top

Feeding:

Nurse cell system: A syncytium.

Back to Top

Hosts:

Barley - Hordeum vulgare cv Esmeralda

Back to Top

Life Cycle:

Ecophysiological Parameters:

Back to Top

Damage:

Back to Top

Management:

Resistance

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

Back to Top

References:

Cid del Prado, V. I. and B. L. Miranda. 2008. A second cyst- forming nematode parasite of barley (Hordeum vulgare L. var. Emeralda) from Mexico. Nematropica 38:105-114.

Back to Top

Copyright © 1999 by Howard Ferris.
Revised: March 30, 2021.