Insecticidal chromenes from the volatile oil of Hemizonia fitchii

Based on field observations of the effects of the resinous tarweed Hemizonia fitchii A. Gray (Asteraceae) on mosquito populations in California, the volatile oil of this plant was investigated for insecticidal activity. The chromenes exhibited weak to moderate toxicity against Culex pipiens (house m...

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Bibliographic Details
Published in:Journal of chemical ecology 1985-06, Vol.11 (6), p.701-712
Main Authors: KLOCKE, J. A, BALANDRIN, M. E, ADAMS, R. P, KINGSFORD, E
Format: Article
Language:English
Subjects:
Biological and medical sciences
Chemical control
Control
Culex pipiens
Culicidae
Fundamental and applied biological sciences. Psychology
Hemizonia fitchii
Insecta
Invertebrates
Oncopeltus fasciatus
Physiology. Development
Phytopathology. Animal pests. Plant and forest protection
Protozoa. Invertebrates
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Summary:Based on field observations of the effects of the resinous tarweed Hemizonia fitchii A. Gray (Asteraceae) on mosquito populations in California, the volatile oil of this plant was investigated for insecticidal activity. The chromenes exhibited weak to moderate toxicity against Culex pipiens (house mosquito) larvae and Oncopeltus fasciatus (large milkweed bug) nymphs. However, no anti-juvenile hormone activity was observed for any of the compounds tested against these insect species.
ISSN:0098-0331
1573-1561
DOI:10.1007/BF00988299