Verutus

Verutus	Contents	Rev 12/17/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
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Classification:

      Rhabditida
       Tylenchina
        Tylenchoidea
         Heteroderidae
          Verutinae

Verutus Esser, 1981

Type species of the genus: Verutus volvingentis Esser, 1981

Synonyms:
None.

Morphology and Anatomy:

Cystoid nematodes in which the body wall of the female does not harden into a cyst.

Females: No cyst stage. Body saccate, sausage-shaped, or kidney-shaped.

Cuticle thick, annulated over total body length; D-layer absent; multiple B-layer present; subcrystalline layer present [For information on ultrastructure of the cuticle and definition of its layers, see Shepherd, Clark & Dart (1972) and Baldwin (1983)].

Vulva submedian, large, with protruberant vulva lips.

No phasmids.

Remnant of tail very short to absent.

Eggs not retained in body, but deposited individually, without gelatinous matrix.

Males: Body not twisted.

Stylet under 30 ï¿½m long.

Lateral field with four lines.

Spicules strong, slightly curved.

No phasmids.

Tail short.

Second-stage juveniles: Lateral field with four lines.

Esophageal glands filling body cavity.