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  • (Z,E)-9,11,13-tetradecatrienal  (2)
  • Culex quinquefasciatus  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Behavioral and electrophysiological activity of (Z,E)-7,9,11-dodecatrienyl formate, a mimic of the major sex pheromone component of carob moth,Ectomyelois ceratoniae (1992)
    Springer
    Journal of chemical ecology 18 (1992), S. 2331-2352 
    Details
    ISSN: 1573-1561
    Keywords: Lepidoptera ; Pyralidae ; sex pheromone ; (Z,E)-9,11,13-tetradecatrienal ; mimic ; (Z,E)-7,9,11-dodecatrienyl formate ; wind tunnel ; attractant ; electrophysiology ; receptor cell
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The behavioral and electrophysiological activity of a mimic [(Z,E)7,9,11-dodecatrienyl formate] of the major sex pheromone component [(Z,E) 9,11,13-tetradecatrienal] of carob moth was assessed. Wind-tunnel bioassays demonstrated that the formate was as effective as natural gland extracts, and significantly more effective than the trienal alone or than the trienal blended with two minor pheromone components, in evoking source contact. Dispensers containing the formate were as effective as trienal-containing blend lures in attracting males when placed at the same dosage in traps in date gardens. Single-cell recordings showed that at least two olfactory neurons, differentiated by spike amplitude, are located in the long trichoid hairs on male carob moth antennae. Dose-response relationships indicated that puffs from cartridges loaded with at least 0.1 μg of the formate or of the trienal were necessary to elicit spiking by either the small or the large-spiking cell within a sensillum. Cross-adaptation studies demonstrated that both compounds stimulated the same large-spiking cell. The frequencies of spikes evoked from the large cell when stimulated by emissions from 0.1-μg, 1-μg, or 10-μg cartridges of either the formate or the trienal were not significantly different, suggesting that the formate is an effective mimic of the trienal at the antennal receptor cell level.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984953
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  • 2
    Electronic Resource
    Electronic Resource
    Field evaluation of synthetic compounds mediating oviposition inCulex mosquitoes (Diptera: Culicidae) (1994)
    Springer
    Journal of chemical ecology 20 (1994), S. 281-291 
    Details
    ISSN: 1573-1561
    Keywords: Diptera ; Culicidae ; Culex quinquefasciatus ; Culex stigmatosoma ; Culex tarsalis behavior ; attractants ; oviposition attractant ; oviposition stimulant
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract 3-Methylindole (skatole), a compound shown to be an oviposition attractant/stimulant forCulex quinquefasciatus in laboratory tests, was evaluated against natural populations of mosquitoes in the field. In experiments using paired black plastic tubs that contained water treated with an attractant solution containing a mixture of 3-methylindole, 4-methylphenol, 4-ethylphenol, phenol, and indole or that contained only tap water, the attractantbaited traps received significantly moreCx. quinquefasciatus egg rafts than did the untreated tap water. Gravid female traps that were baited with attractant solution collected significantly moreCx. quinquefasciatus females than did traps containing only tap water. There was no significant difference in number ofCx. quinquefasciatus collected in the traps baited with the attractant solution compared to the traps that contained water with 3-methylindole alone, indicating that 3-methylindole was solely responsible for the attraction. In replicated experiments conducted in experimental ponds, ponds that were treated with 3-methylindole received significantly moreCx. quinquefasciatus, Cx. tarsalis, andCx. stigmatosoma egg rafts than did untreated ponds. Experimental ponds treated with 3-methylindole at two levels (0.12 and 0.6 mg/liter) were equally attractive to ovipositingCx. quinquefasciatus. This is the first record of 3-methylindole showing attractancy/stimulation to ovipositingCx. stigmatosoma andCx. tarsalis under field or laboratory conditions.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02064436
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  • 3
    Electronic Resource
    Electronic Resource
    Identification and bioassay of sex pheromone components of carob moth,Ectomyelois ceratoniae (Zeller) (1991)
    Springer
    Journal of chemical ecology 17 (1991), S. 1973-1988 
    Details
    ISSN: 1573-1561
    Keywords: Flight tunnel ; gas chromatography-electrophysiology ; mass ; spectrometry ; aldehydes ; (Z,E)-9,11,13-tetradecatrienal ; (Z,E)-9,11-tetra-decadienal ; (Z)-9-tetradecenal ; pheromone ; Lepidoptera ; Pyralidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Three sex pheromone components of the carob moth were isolated and identified from the extract of female pheromone glands, using a variety of techniques including coupled gas chromatographic-electroantennographic recordings, coupled gas chromatographic-mass spectrometric analysis, microozonolysis, electroantennographic assays of monounsaturated standards, wind-tunnel bioassays, and field trials. The major component was identified as (Z,E)-9,11,13-tetradecatrienal, a novel lepidopterous pheromone component structure. Two minor components, either one of which improves the upwind flight response of males when blended with the major component, were identified as (Z,E)-9,11-tetradecadienal, and (Z)-9-tetra-decenal.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00992582
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  • 4
    Electronic Resource
    Electronic Resource
    Synergism between chemical attractants and visual cues influencing oviposition of the mosquito,Culex quinquefasciatus (Diptera: Culicidae) (1993)
    Springer
    Journal of chemical ecology 19 (1993), S. 635-644 
    Details
    ISSN: 1573-1561
    Keywords: Insecta ; Diptera ; Culicidae ; Culex quinquefasciatus ; oviposition behavior ; attractants ; optical density ; visual cues
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Physical factors, such as the color of the oviposition substrate, have seldom been compared with chemical cues in their ability to elicit oviposition behavior in mosquitoes. The role of dyed oviposition waters in attracting ovipositingCulex quinquefasciatus was examined in laboratory experiments. Oviposition waters dyed with ink were found to be significantly attractive to ovipositingCx. quinquefasciatus when compared to distilled water controls. Experiments demonstrated that the mosquitoes were responding to the increased optical density of the dyed oviposition water rather than volatile components of the dye. Ink was also considered in combination with chemical oviposition cues. No comparative data exist on the effect of physical and chemical factors presented together on the oviposition behavior ofCx. quinquefasciatus. Waters dyed with ink acted synergistically with a five-component chemical attractant mixture (3-methylindole, indole, 4-methylphenol, 4-ethylphenol, and phenol) in inducing oviposition in a 2×2 factorial experiment.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00984998
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