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FIELD TESTS OF ISOMERS OF LINEATIN, THE AGGREGATION PHEROMONE OF TRYPODENDRON LINEATUM (COLEOPTERA: SCOLYTIDAE)1

Published online by Cambridge University Press:  31 May 2012

J. H. Borden ,
A. C. Oehlschlager ,
K. N. Slessor ,
L. Chong  and
H. D. Pierce Jr.
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Extract

The aggregation pheromone of the ambrosia beetle, Trypodendron lineatum (Olivier), was isolated by MacConnell et al. (1977), identified as one of two isomeric, tricyclic acetals, and given the trivial name, lineatin. One of the isomers, 3,3,7-trimethyl-2,9-dioxatricyclo [3.3.1.0 4,7] nonane (4,6,6-lineatin), was synthesized in µg quantities by three different syntheses, assessed to be structurally identical to the isolated pheromone, and demonstrated to be highly attractive in field tests (Borden et al. 1979; Vité and Bakke 1979). The other structural isomer, 3,3,7- trimethyl-2,9-dioxatricyclo [4.2.1.0 4,7] nonane (4,5,6-lineatin), was not tested for biological activity. The enantiomeric composition of natural lineatin was not determined by MacConnell et al. (1977).

Type
Articles
Information
The Canadian Entomologist , Volume 112 , Issue 1 , 01 January 1980 , pp. 107 - 109
Copyright
Copyright © Entomological Society of Canada 1980

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References

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