Belonolaimus

Belonolaimus	Contents	Rev 09/12/2023
Sting nematode	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Belonolaimus Menu	Economic Importance	Damage
	Distribution	Management
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Classification:

Rhabditida Tylenchina Tylenchoidea Dolichodoridae
Belonolaiminae

Belonolaimus Steiner, 1949

Type species of the genus: Belonolaimus gracilis Steiner, 1949

Synonyms:
Ibipora Monteiro and Lordello, 1977

Morphology and Anatomy:

Long, slender nematode, usually 2 to 3 mm in length.

SEM face view shows a well-marked, rounded labial disc; first lip annule divided into six sectors; lateral sectors almost completely regressed, seen only as small interruptions of the first one or two labial annules.

Labial region marked by deep longitudinal grooves.

Stylet very long, 60 to 150 Â Âµm long, with distinct basal knobs; cone 70 to 80% of total stylet length.

Cuticle coarsely annulated.

Procorpus of esophagus is thick and the metacorpus has a strongly developed valve.

Esophageal glands overlapping beginning of intestine.

Female: Tail cylindroid with a broadly rounded terminus; two outstretched ovaries (diovarial, amphidelphic).

Lateral field with four lines or less.

[Ref: Fortuner & Luc, (1987), and H. Ferris.]

Male:

Body size range for the species of this genus in the database - Click:

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Distribution:

Approximately 9 species in the genus. Representatives have been reported from Australia, Bahamas, Bermuda, Brazil, Costa Rica, Mexico and Puerto Rico.