LABORATORY EVALUATION OF INSECTICIDES FOR CONTROL OF THE INVASIVE CACTOBLASTIS CACTORUM (LEPIDOPTERA: PYRALIDAE)

We conducted laboratory assays of nine products registered for use on ornamental plants in Florida for their ovicidal and larvicidal activity against the invasive cactus moth Cactoblastis cactorum. One-hundred percent mortality (or 0% survival) of 1-day-old eggs was obtained when eggstick sections w...

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Bibliographic Details
Published in:The Florida entomologist 2005-12, Vol.88 (4), p.395-400
Main Authors: Bloem, Stephanie, Mizell, Russell F, Bloem, Kenneth A, Hight, Stephen D, Carpenter, James E
Format: Article
Language:English
Subjects:
abamectin
acephate
azadirachtin
Bacillus thuringiensis
Cactoblastis cactorum
Cactus
chemical control
Cladodes
cypermethrin
emamectin benzoate
Entomology
fenoxycarb
imidacloprid
insect control
Insect eggs
Insect larvae
Insecticides
invasive species
invasives
larvicides
Lepidoptera
Mortality
Moths
Opuntia stricta
ornamental plants
ovicides
pest management
Plants
Pyralidae
Research Papers
spinosad
Stricta
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Summary:We conducted laboratory assays of nine products registered for use on ornamental plants in Florida for their ovicidal and larvicidal activity against the invasive cactus moth Cactoblastis cactorum. One-hundred percent mortality (or 0% survival) of 1-day-old eggs was obtained when eggstick sections were treated with cypermethrin, spinosad, or imidacloprid. These products were equally as effective when assayed against eggs that were fully embryonated (28 days old), when cladodes of Opuntia stricta were exposed to neonates 24 hours after dipping, or to cladodes that were dipped and stored for 30 days before exposure. When Bacillus thuringiensis (Dipel®) was used to prevent neonate penetration into treated cladodes of O. stricta, 100% mortality (or 0% survival) was recorded in the laboratory.
ISSN:0015-4040
1938-5102
DOI:10.1653/0015-4040(2005)88[395:LEOIFC]2.0.CO;2