Superfamily Aphelenchoidea

										 Rev 12/19/2024					Rev 12/19/24

Classification:

Chromadorea
       Rhabditida

      Aphelenchina

Aphelenchoidea (Fuehs, 1937) Thorne, 1949

Synonyms:

Classification and Characteristics Chart of the Order Tylenchina

• Sub-orders
• Superfamilies
• Families
• Genera

Morphology and Anatomy:

Dorsal esophageal gland opening located in metacorpus. Metacorpus is large and angular, occupying more than 75% of the body width.

• Stylet with or without basal knobs.
• Esophagus with large median esophageal bulb.
• Dorsal esophageal gland outlet empties into lumen of median bulb just anterior to valve.
• Dorsally overlapping esophageal glands, except in Paraphelenchus which has posterior esophageal bulb.
• Female monodelphic, prodelphic with posteriorly located vulva.
• Male with or without caudal alae; gubernaculum or gubernaculum-like structure present or absent.

Ref: Nickle, 1970

References:

Nickle, W.R. 1970. A Taxonomic Review of the Genera of the Aphelenchoidea (Fuchs, 1937) Thorne, 1949 (Nematoda: Tylenchida) . J. Nematology 2:375-392.

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