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The Life History and Host Range of Charidotis pygmaea (Col.: Chrysomelidae), a Biological Control Agent for Lantana montevidensis (Verbenaceae)
Journal article   Peer reviewed

The Life History and Host Range of Charidotis pygmaea (Col.: Chrysomelidae), a Biological Control Agent for Lantana montevidensis (Verbenaceae)

M D Day, B W Wilson and Helen F Nahrung
Biocontrol Science and Technology, Vol.9(3), pp.347-354
1999
url
https://doi.org/10.1080/09583159929604View
Published Version

Abstract

Agricultural Biotechnology Ecological Applications Environmental Science and Management host specificity phytophagous creeping lantana varietal preference
The life cycle and host range of Charidotis pygmaea Klug were investigated to assess its suitability for release as a biological control agent for Lantana camara L. and L. montevidensis (Sprengel) Briquet. Adults fed and deposited eggs on the underside of leaves of both species. They generally laid fewer eggs in the dry winter months when lantana yellows or drops its leaves. Larvae fed on the upper leaf surface and pupation occurred on the leaves or stems. Development from egg to adult took approximately 50 days. Survival to the adult stage was greater, and the development time was shorter on L. montevidensis than on all varieties of L. camara tested, suggesting that the agent would be ineffective against L. camara. Forty-two plant species were tested to determine host specificity in choice oviposition and larval feeding trials. These demonstrated that C. pygmaea did not pose a threat to non-target species. Consequently, C. pygmaea was approved for release in Australia and through its ability to survive the dry season, should assist in the control of L. montevidensis.

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Biotechnology & Applied Microbiology
Entomology

UN Sustainable Development Goals (SDGs)

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#2 Zero Hunger
#13 Climate Action
#15 Life on Land

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