1995 Fiscal Year Final Research Report Summary
Chemical ecology of insect male sex pheromones
| Project/Area Number |
05453165
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| Research Category |
Grant-in-Aid for General Scientific Research (B)
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| Allocation Type | Single-year Grants |
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| Research Field |
Bioproduction chemistry/Bioorganic chemistry
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| Research Institution | KYOTO UNIVERSITY |
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Principal Investigator |
NISHIDA Ritsuo Pesticide Research Institute, Kyoto University Associate Prof., 農学部, 助教授 (30135545)
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| Project Period (FY) |
1993 – 1995
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| Keywords | pheromone / insect / chemical ecology / butterfly / fruit fly / moth / cockroach / chemical ecology |
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| Research Abstract |
Males of various insects possess specialized secretory organs to produce sex pheromones. Chemical basis of the male sex pheromones was examined in tortricid moths (Grapholitha spp., Lepidoptera) , a danaine butterfly (Idea Ieuconoe, Lepidoptera) , tephritid fruit flies (Bactrocera spp., Diptera) cockroaches (Blattella spp., Orthoptera) and a tree cricket (Truljalia hibinonis, Orthoptera). Males of both tortricid moths and danaine butterflies possess hairpencils, from which various types of volatile chemicals to affract or seduce females are produced. These chemicals seemed to be mostly plant origin either acquired from host plants during larval stage or by foraging from non-host plants during the adult stage. Males of tephritid fruit flies were found to possess rectal glands which store phenylpropanoid flower fragrances from male attracting plants, and produce a "pheromone smoke" toward the females during courtship. Male abdominal secretions which attract conspecific males were examined in the above two orthopteran species, comparing similarity of the courtship sequence and the chemical composition of the pheromone components. Chemical constituents characterized as the pheromone-suspected components for those orthopteran male secretions were likely to be endogenous origin, contrasting the difference to the cases in the above lepidopteran and dipteran male pheromone systems.
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Research Products
(14 results)
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[Publications] Nishida, R., Schulz, S., Kim, C.S., Fukami, H., Kuwahara, Y., Honda, K.and Hayashi, N.: "Male sex pheromone of the giant danaine butterflies, Idea leuconoe." J.Chem.Ecol. (in press). (1996)
Description
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