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  • 1
    Electronic Resource
    Electronic Resource
    Attraction of various tortricine moths to blends containingcis-11-tetradecenal (1978)
    Springer
    Journal of chemical ecology 4 (1978), S. 543-549 
    Details
    ISSN: 1573-1561
    Keywords: Large aspen tortrix ; oak leaf shredder ; Choristoneura conflictana ; Choristoneura fumiferana ; Choristoneura fractivittana ; Croesia semipurpurana ; Cenopis acerivorana ; cis-11-tetradecenal ; attractant ; field tests ; trans-11-tetradecenal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Blends containingcis-11-tetradecenal with the trans isomer orcis-11-tetradecen-1-ol were field tested against the tortricine speciesChoristoneura conflictana andCroesia semipurpurana. The results indicate thatcis-11-tetradecenal alone is a very potent attractant for maleC. conflictana whereas maleCroesia semipurpurana were strongly attracted to blends oftrans/cis-11-tetradecenal in the range 80∶20–90∶ 10.Cenopis acerivorana andChoristoneura fumiferana were also caught with mixtures of 11-tetradecenal isomers whileChoristoneura fractivittana was very strongly attracted to the mixture ofcis-11-tetradecen-1-ol/cis-11-tetradecenal in the ratio 95/5.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988918
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  • 2
    Electronic Resource
    Electronic Resource
    Sex pheromone chemistry of the western spruce budwormChoristoneura occidentalis Free (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 351-362 
    Details
    ISSN: 1573-1561
    Keywords: Choristoneura occidentalis ; western spruce budworm ; Lepidoptera ; Tortricidae ; pheromone chemistry ; Choristoneura fumiferana ; capillary GC-MS ; (E/Z)-11-tetradecenal
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract SCOT capillary Chromatographic and SCOT capillary chromatographic-mass spectrometic analyses of gland washes and effluvia of virgin femaleChoristoneura occidentalis Free, have been conducted with both a diapausing and nondiapausing strain of this insect. The following compounds were identified in gland washes and effluvia in both strains:E andZ11–14∶Ald,E andZ11–14∶Ac,E andZ11–14∶OH and 14∶Ald, 14∶Ac, and 14∶OH. The average aldehyde: acetate: alcohol ratio found by analysis of single glands by virgin females (nondiapausing strain) was 1∶7∶0.73. Analysis of virgin female effluvia gave this ratio as 10∶3∶8 (diapausing strain: %Z=8, 11, 15, respectively) and 10∶3∶6 (nondiapausing strain: %Z=8, 11, 12, respectively). The saturated components were generally 1–2% of theE isomer in each case. Comparisons of EAG responses of bothC. occidentalis andC. fumiferana toE11–14∶Ald,E11–14∶Ac andE11–14∶OH were made. Correlations with both laboratory and field data previously published were also made betweenC. fumiferana andC. occidentalis.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987783
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  • 3
    Electronic Resource
    Electronic Resource
    Oviposition and Electroantennogram Responses of Dioryctria abietivorella (Lepidoptera: Pyralidae) Elicited by Monoterpenes and Enantiomers from Eastern White Pine (1997)
    Springer
    Journal of chemical ecology 23 (1997), S. 35-50 
    Details
    ISSN: 1573-1561
    Keywords: Electroantennogram ; enantiomers ; headspace ; insect–plant interaction ; monoterpenes ; oviposition ; Porapak Q ; volatile emissions
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Volatile emissions from twigs of eastern white pine, Pinus strobus L., stimulated oviposition by Dioryctria abietivorella (Grote) in laboratory bioassays. Chemical identification and percentage composition of monoterpenes emitted by twigs were determined by capillary GC and GC/MS analysis of headspace and of volatiles entrained on Porapak Q. Enantiomeric excess of optically active monoterpenes was determined by capillary GC analysis with a β-cyclodextrin chiral column. Four of the six most abundant monoterpenes identified in twig volatiles elicited a significant oviposition response. Myrcene and car-3-ene [predominantly the (+)-enantiomer] were the most active compounds in both electroantennogram (EAG) and oviposition bioassays. In contrast, (−)-limonene elicited a significant oviposition response but was the least stimulating monoterpene in EAG tests. Female EAG responses to monoterpenes generally increased with age and mating and were larger than those from males of the same age.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1023/B:JOEC.0000006344.18966.c6
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  • 4
    Electronic Resource
    Electronic Resource
    Development of a bioluminescence assay for aldehyde pheromones of insects (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 923-933 
    Details
    ISSN: 1573-1561
    Keywords: Aldehyde pheromone ; bioluminescence ; corn earworm ; Heliothis zea ; insect pheromone ; navel orangeworm ; Amyelois transitera ; western spruce budworm ; Choristoneura occidentalis ; spruce budworm ; Choristoneura fumiferana ; Lepidoptera ; assay for aldehydes ; Pyralidae ; Noctuidae ; Tortricidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Pheromone levels in the glands of individual female moths of the spruce budworm (Choristoneura fumiferana), the western spruce budworm (C. occidentalis), the navel orangeworm (Amyelois transitella), and the corn earworm (Heliothis zea) were quantitively measured by means of a new bacterial bioluminescence assay specific for aldehydes. The sensitivity and rapidity of the bioluminescent assay enabled studies to be conducted on the dependence of the pheromone levels in the spruce budworm on age and the effect of photoperiod on the pheromone levels in the corn earworm. The bioluminescence assay provides a rapid and sensitive approach for studying aldehyde pheromone levels and their regulation in insects.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987659
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  • 5
    Electronic Resource
    Electronic Resource
    Development of a bioluminescence assay for aldehyde pheromones of insects (1982)
    Springer
    Journal of chemical ecology 8 (1982), S. 935-945 
    Details
    ISSN: 1573-1561
    Keywords: Aldehydes ; bioluminescence ; insect pheromones ; Porapak Q ; spruce budworm ; Choristoneura fumiferana ; Lepidoptera ; (E)-11-tetradecenal ; trapping ; bioassay for aldehydes
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract A newly developed bioluminescent assay was used to measure quantitatively the amount of (E)-11-tetradecenal, the major component of the sex pheromone of the spruce budworm, trapped on Porapak Q®. The bioluminescent response was linearly related to the amount of aldehyde either deposited on the absorbent or trapped from an airstream. However, the recovery of pheromone from Porapak was dependent on whether the air was prefiltered (through Porapak) or taken directly from the atmosphere. Furthermore, pheromone on Porapak was lost with time during the flow of air through the absorbent, indicating that trapping of aldehyde pheromone should be conducted for short periods of time for optimal recoveries. The applicability of the assay system for the rapid and direct measurement of the release rates of aldehyde pheromone lures was demonstrated for pheromone lures used for baiting spruce budworm traps.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00987660
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