Variability in odour reception in the peripheral sensory system of Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae)

Cribb, Bronwen W., Hull, Craig D., Moore, Chris J., Cunningham, John Paul and Zalucki, Myron P. (2007) Variability in odour reception in the peripheral sensory system of Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae). Australian Journal of Entomology, 46 1: 1-6. doi:10.1111/j.1440-6055.2007.00540.x


Author Cribb, Bronwen W.
Hull, Craig D.
Moore, Chris J.
Cunningham, John Paul
Zalucki, Myron P.
Title Variability in odour reception in the peripheral sensory system of Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae)
Formatted title
Variability in odour reception in the peripheral sensory system of Helicoverpa armigera (Hubner) (Lepidoptera : Noctuidae)
Journal name Australian Journal of Entomology   Check publisher's open access policy
ISSN 1326-6756
Publication date 2007-02-01
Year available 2007
Sub-type Article (original research)
DOI 10.1111/j.1440-6055.2007.00540.x
Open Access Status Not yet assessed
Volume 46
Issue 1
Start page 1
End page 6
Total pages 6
Editor J. Matthiessen
Place of publication Australia
Publisher Blackwell Publishing Asia
Language eng
Subject C1
270504 Invertebrate Biology
780105 Biological sciences
Abstract Mixtures of single odours were used to explore the receptor response profile across individual antennae of Helicoverpa armigera (Hubner) (Lepidoptera: Noctuidae). Seven odours were tested including floral and green-leaf volatiles: phenyl acetaldehyde, benzaldehyde, beta-caryophyllene, limonene, alpha-pinene, 1-hexanol, 3Z-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.
Keyword Entomology
antenna
EAG
heliothine
polyphagy
SCR
Moth Heliothis-virescens
Queensland Fruit-fly
Behavioral-responses
Bactrocera-tryoni
Host Selection
Neuron
Preference
Pheromone
Olfaction
Electrophysiology
Q-Index Code C1
Q-Index Status Confirmed Code
Institutional Status UQ

 
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Created: Tue, 19 Feb 2008, 01:59:23 EST