Cactodera   

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Rev 05/16/2006

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Cyst of Cactodera weissi

Body globose, with short neck and terminal cone.  

Cuticle thick, with superficial irregular transverse ridges interrupted by short markings, more or less longitudinal; D-layer present (absent in C. betulae).

Vulva terminal surrounded by a circumfenestration; vulval slit less than 20 µm long; no underbridge; no bullae; anus without fenestration.  

All eggs retained in body (no egg-mass).  

Stylet less than 30 µm long.

Lateral field with four lines.

Spicules greater than 30 µm long, slightly curved, pointed at distal extremity, obliquely directed.  

No cloacal tubus.  

Tail short, hemispherical. 

Second-stage juveniles: Stylet less than 30 µm long. 

Lateral field with four lines. 

Esophageal glands filling body cavity.  

Tail conical, pointed with hyaline terminal half.  

Phasmids punctiform.  

Luc, Maggenti & Fortuner (1988).