Scutellonema cavenessi

Scutellonema cavenessi	Contents	Rev 12/17/2024
	Classification	Hosts
	Morphology and Anatomy	Life Cycle
Return to Scutellonema Menu	Economic Importance	Damage
	Distribution	Management
Return to Hoplolaimidae Menu	Feeding	References
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Classification:

Chromadorea Rhabditida Tylenchina Tylenchoidea Hoplolaimidae
Hoplolaiminae

Scutellonema cavenessi Sher, 1963

Morphology and Anatomy:

Female:

Female anterior showing dorsal overlap of esophageal glands over intestine. Drawing from van den Berg et al (2016).

Female:

Female tail showing position of scutellum at or slightly posterior to level of anus.
Drawing from van den Berg et al (2016).

Male:

Male tail showing position of scutellum and shapes of gubernaculum and caudal alae.
Drawing from van den Berg et al (2016).

Male anterior.
Drawing from van den Berg et al (2016).

Reported median body size for this species (Length mm; width micrometers; weight micrograms) - Click:

Distribution:

West Africa, Senegal on peanut and soybean (Germani, 1981). Frequently found in Florida associated with Sansevieria trifasciata and other Sansevieria species (van den Berg et al , 2016).

Economic Importance:

Damage to important economic crops including peanut and soybean (Germani, 1981).

Feeding:

Ectoparasite and migratory endoparasite in root cortex.

All stages of the nematode are infective.

Hosts:

Peanut, soybean. Also, banana, corn, mango, tomato.

For an extensive host range list for this species, click

Life Cycle:

Ecophysiological Parameters:

For Ecophysiological Parameters for this species, click	If species level data are not available, click for genus level parameters

In pot experiments, S. cavenessi reduced growth of both soybean and peanuts. Soybean appearesd to be less tolerant than peanut. Besides reducing yield, the nematode may damage legumes and nitrogen-fixing ability (Germani, 1981).

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Management:

Host Plant Resistance, Non-hosts and Crop Rotation alternatives:

For plants reported to have some level of resistance to this species, click

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References:

Germani, G. 1981. Pathogenicity of the nematode Scutellonema cavenessi on peanut and soybean. Rev. Nematol. 4: 203-208.

Van den Berg, E., Tiedt, L.R., Stanley, J.D., Inserra, R.N., Subbotin, S.A. 2016. Characterisation of some Scutellonema species (Tylenchida: Hoplolaimidae) occurring in Botswana, South Africa, Costa Rica and the USA, with description of S. clavicaudatum sp. n. and a molecular phylogeny of the genus. Nematology 2016 (1-43).