夜蛾科
生物
棉铃虫
生殖器鳞翅目
植物
人口
园艺
社会学
人口学
作者
Bronwen W. Cribb,C. D. Hull,C. J. Moore,John Paul Cunningham,Myron P. Zalucki
标识
DOI:10.1111/j.1440-6055.2007.00540.x
摘要
Abstract Mixtures of single odours were used to explore the receptor response profile across individual antennae of Helicoverpa armigera (Hübner) (Lepidoptera: Noctuidae). Seven odours were tested including floral and green‐leaf volatiles: phenyl acetaldehyde, benzaldehyde, β‐caryophyllene, limonene, α‐pinene, 1‐hexanol, 3 Z ‐hexenyl acetate. Electroantennograms of responses to paired mixtures of odours showed that there was considerable variation in receptor tuning across the receptor field between individuals. Data from some moth antennae showed no additivity, which indicated a restricted receptor profile. Results from other moth antennae to the same odour mixtures showed a range of partial additivity. This indicated that a wider array of receptor types was present in these moths, with a greater percentage of the receptors tuned exclusively to each odour. Peripheral receptor fields show variation in the spectrum of response within a population (of moths) when exposed to high doses of plant volatiles. This may be related to recorded variation in host choice within moth populations as reported by other authors.
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