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The economics of controlling froghopper (Aeneolamia varia saccharina (Dist.) (Hom., Cercopidae)) on sugar-cane in Trinidad

Published online by Cambridge University Press:  10 July 2009

G. A. Norton  and
D. E. Evans
G. A. Norton
Affiliation:
Environmental Resource Management Research Unit, Department of Zoology and Applied Entomology, Imperial College, Silwood Park, Ascot, Berks, U.K.
D. E. Evans
Affiliation:
Carom Research Station, Waterloo Estate, Carapichaima, Trinidad, West Indies
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Abstract

The management of the sugar-cane crop in Trinidad involves widespread aerial spraying against the sugar-cane froghopper (Aeneolamia varia saccharina (Dist.)). For control decisions to be made on an economic basis, information concerning the damage and control relationships associated with this pest is required. Assuming a linear damage function, a cost-effective analysis based on the relative cost of eliminating adult-days is made concerning the choice of insecticide and the decision—when to spray. It appears that a first-brood spraying strategy is more cost-effective than a strategy of later-brood spraying alone, provided that the density and duration of the first-brood can be accurately monitored.

Type
Research Paper
Information
Bulletin of Entomological Research , Volume 63 , Issue 4 , June 1974 , pp. 619 - 627
Copyright
Copyright © Cambridge University Press 1974

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