Mortality of olive fruit fly pupae in California

Efforts to control the olive fruit fly, Bactrocera oleae (Diptera: Tephritidae), in California have focused on insecticidal baits and biological control by parasitoids, which primarily target the adult and larval stages, respectively. The pupal stage, which occurs in the soil, has largely been overl...

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Bibliographic Details
Published inBiocontrol science and technology Vol. 17; no. 7-8; pp. 797 - 807
Main Authors Orsini, M.M, Daane, K.M, Sime, K.R, Nelson, E.H
Format Journal Article
LanguageEnglish
Published Taylor & Francis Group 01.01.2007
Subjects
adults
Bactrocera oleae
biological control
biological control agents
climatic zones
Diptera
Formicidae
insect control
insect pests
larvae
mortality
mortality factors
natural enemies
Olea
Olive
parasitoids
plant pests
predation
pupae
Tephritidae
California
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Summary:Efforts to control the olive fruit fly, Bactrocera oleae (Diptera: Tephritidae), in California have focused on insecticidal baits and biological control by parasitoids, which primarily target the adult and larval stages, respectively. The pupal stage, which occurs in the soil, has largely been overlooked. This study investigated mortality factors for olive fruit fly pupae in California olive orchards, using a combination of exclusion experiments and observation and trapping of potential predators. Results show predation and climatic factors contribute to pupal mortality. Ants (Formicidae) were the most numerous predators observed. Soil-borne pathogens caused no mortality in this study. Potential applications of these results in the development of a sustainable management program are discussed.
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ISSN:0958-3157
1360-0478
DOI:10.1080/09583150701527359