.
- Acrobeles complexus
- (source: Paul de Ley)
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stoma
distinctly jointed, cheilostom wide
followed by a funnel-shaped or narrow posterior part with heavy wall.
Double layer of cuticle.
Esophageal
corpus cylindrical,
isthmus present but sometimes indistinct, terminal bulb
always valved.
Tail of both sexes usually short.
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