Aphasmatylenchus   

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Rev 08/03/2020

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Female: 

• Body vermiform, circle to C-shaped.   Labial region slightly offset from body, annulated, but without longitudinal striae. 
• First labial annule divided into six equal sectors, elongate amphid apertures (SEM).  
• Lateral field with four lines.  
• Phasmids absent.  
• Cephalids and caudalid not described. 
• Tail 1.5 to 2 body diameters long, more curved dorsally with rounded end.  
• Stylet and labial framework well developed.  
• Dorsal esophageal gland opening about 8 �m from stylet base.  
• Median bulb rounded.  
• Glands overlap the intestine ventrally and laterally.  
• Two genital branches equally developed. 
•   Epiptygma and vulval flap not described.

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Male: 

• Slight secondary sexual dimorphism seen in the smaller, anterior end.  
• Tail conoid, elongate, with a hyaline end.  
• Caudal alae enveloping tail end. 
• Gubernaculum with titillae.

[Ref: Fortuner,  (1987).]