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Relative oviposition rates of the cassava hornworm, Erinnyis ello (Lep.: Sphingidae), and accompanying parasitism by Telenomus sphingis (Hym.: Scelionidae), on upper and lower leaf surfaces of cassava

Oviposition by the cassava hornworm, Erinnyis ello L., was quantified for upper (abaxial) and lower (adaxial) leaf surfaces of cassava in the department of Tolima, Colombia. Relative rates of egg parasitism by Telenomus sphingis Ashmead on the different leaf surfaces were determined and compared. Ap...

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Autores principales: Gold, Cliford S., Altieri, Miguel A., Bellotti, Anthony C.
Formato: Journal Article
Lenguaje:Inglés
Publicado: Springer 1989
Materias:
manihot esculenta
erinnyis ello
insect biology
predators and parasites
biological control
entomology
injurious insects
noxious animals
pests
starch crops
biologia del insecto
depredadores y parasitos
Acceso en línea:https://hdl.handle.net/10568/44035
Sumario:Oviposition by the cassava hornworm, Erinnyis ello L., was quantified for upper (abaxial) and lower (adaxial) leaf surfaces of cassava in the department of Tolima, Colombia. Relative rates of egg parasitism by Telenomus sphingis Ashmead on the different leaf surfaces were determined and compared. Approximately 6% of hornworm eggs had been placed on lower leaf surfaces. These eggs showed significantly lower rates of parasitism indicating reduced searching time or efficiency by the parasitoid on leaf undersides.

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