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  • Tortricidae  (8)
  • Springer  (8)
  • American Chemical Society
  • Elsevier
  • Oxford University Press
  • 1985-1989  (8)
  • 1985  (8)
Sammlung
Schlagwörter
Verlag/Herausgeber
  • Springer  (8)
  • American Chemical Society
  • Elsevier
  • Oxford University Press
Erscheinungszeitraum
  • 1985-1989  (8)
Jahr
  • 1
    Digitale Medien
    Digitale Medien
    Identification of sex pheromone components of jack pine budworm,Choristoneura pinus pinus freeman (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 159-167 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Choristoneura pinus pinus ; jack pine budworm ; Lepidoptera ; Tortricidae ; (E,Z)-11-tetradecenyl acetate ; (E,Z)-11-tetradecen-1-ol ; sex pheromone ; sex attractant
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Chemical identification and field-trapping experiments have shown that a blend of 85∶15 (E,Z)-11-tetradecenyl acetates and 85∶15 (E,Z)-11-tetradecen-1-ols (in a 9∶1 ratio) are female sex pheromone components for jack pine budworm,Choristoneura pinus pinus. This blend of chemicals, formulated in PVC (0.1 %, w/w) sources is as effective a trap bait as virgin females. Preliminary wind tunnel observations have indicated that this blend, effective as a trap bait, is not equivalent to females.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988198
    Standort Signatur Erwartet Verfügbarkeit
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  • 2
    Digitale Medien
    Digitale Medien
    Feeding preferences of eastern spruce budworm larvae in two-choice tests with combinations of host-plant extracts (1985)
    Springer
    Entomologia experimentalis et applicata 38 (1985), S. 221-225 
    Details
    ISSN: 1570-7458
    Schlagwort(e): Eastern spruce budworm ; Choristoneura fumiferana ; Tortricidae ; feeding behaviour ; host plant extracts ; sugars/glycosides ; amino acids/bases ; organic acids ; two-choice feeding tests ; fir ; Abies ; spruce ; Picea spp
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Beschreibung / Inhaltsverzeichnis: Résumé Trois extraits ont été obtenus de chacune de quatre plantes-hôtes: sucres/glycosides; acides aminées/bases organiques; acides organiques. Les quatre plantes-hôtes étudiées furent le sapin baumier, et les épinettes blanc, noir, et rouge. Le comportement gustatoire des larves a été étudié en raison de l'effet de combinaisons d'extraits de chaque plantehôte. Les résultats comparent la préférence des larves ainsi que leur consommation totale envers ces extraits.
    Notizen: Abstract Three extracts were obtained from each of four host plants: sugars/glycosides; amino acids/bases; and organic acids. The four hosts studied were balsam fir, black spruce, red spruce, and white spuce. The effects of recombined host plant extracts on the feeding behaviour of eastern spruce budworm larvae were examined in two-choice tests. Results compare feeding preferences as well as feeding rates between combinations of extracts. The importance of each class of polar compounds is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00295254
    Standort Signatur Erwartet Verfügbarkeit
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  • 3
    Digitale Medien
    Digitale Medien
    The influence of sex gland components on mating by the summerfruit tortrix moth, Adoxophyes orana, in the laboratory (1985)
    Springer
    Entomologia experimentalis et applicata 39 (1985), S. 233-239 
    Details
    ISSN: 1570-7458
    Schlagwort(e): Adoxophyes orana ; Lepidoptera ; Tortricidae ; strain ; sex pheromone ; sex gland components ; Z9-14:Ac ; Z11-14:Ac ; mating disruption ; spermatophores ; population density
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie
    Beschreibung / Inhaltsverzeichnis: Résumé Des essais ont été effectués en laboratoire en mettant des couples de papillons d'Adoxophyes orana F.v.R. pendant une semaine dans des boîtes d'élevage de 1,25 l avec ou sans composantes phéromonales. A la fin de l'essai, les femelles sont disséquées pour la recherche des spermatophores. L'inhibition des accouplements s'accroît avec l'augmentation de la charge des deux composantes principales de l'attractif, le Z9-14:Ac et le Z11-14:Ac (9:1) et elle décroît lorsque la densité de popultion passe de 1 à 5, 10, 20 couples de papillons par boîte. Chacune de ces deux composantes principales isolée provoque une réduction d'accouplements aussi importante que le mélange lui-même. Les composantes mineures Z9-12:Ac et 12:Ac ont pratiquement la même efficacité que les composantes principales, mais le 14:Ac et le Z11-14:OH sont sans effet. Des essais identiques effectués avec une souche d'A. orana récemment introduite en élevage continu, montrent qu'il suffit d'environ dix fois moins d'attractif pour provoquer le même effet que sur l'ancienne souche. Parallèlement à l'adaptation aux conditions d'élevage, le nombre de femelles non accouplées dans les témoins diminue progressivement et la fréquence des accouplements multiples augmente. II est donc vivement recommandé de travailler avec des souches continuellement renouvelées en élevage, ou avec les descendants directs d'individus prélevés en vergers. Les résultats obtenus sont commentés en relation avec la lutte par la technique de confusion.
    Notizen: Abstract Couples of Adoxophyes orana F.v.R. were isolated for one week in small 1.25 l rearing boxes in the laboratory with sex gland components deposited on rubber caps. At the end of the trials females were dissected and spermatophores counted. Reduction of mating increased with the dose of a mixture of the attractant components Z9-14:Ac and Z11-14:Ac (9:1) but decreased with increasing density of 1 to 5, 10 and 20 couples per box. Each of the attractant components alone produced a mating inhibition equal to the mixture. The minor components Z9-12:Ac and 12:Ac had approximately the same effect as the main components, but 14:Ac and Z11-14:OH had no effect. Identical trials conducted on a strain of summerfruit moth newly introduced to our rearing showed that ten times less product was needed to achieve the same degree of mating inhibition as with the old strain. With adaptation to laboratory conditions the proportion of unmated females diminished and repeated matings occurred more frequently. In order to achieve meaningful results one must work with material from regularly renewed rearings, or better with the direct descendants of individuals from orchards. The results are discussed in relation to mating disruption of A. orana in orchards.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00217628
    Standort Signatur Erwartet Verfügbarkeit
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  • 4
    Digitale Medien
    Digitale Medien
    Double-bond location in monounsaturated fatty acids by dimethyl disulfide derivatization and mass spectrometry: Application to analysis of fatty acids in pheromone glands of four lepidoptera (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 265-277 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Fatty acid analysis ; double-bond location ; dimethyl disulfide adducts ; mass spectrometry ; pheromone ; Choristoneura fumiferana ; C. occidentalis ; C. pinus pinus ; Plusia chalcites ; Lepidoptera ; Tortricidae ; Noctuidae
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A rapid analytical procedure for the determination of the position of double bonds in mixtures of monounsaturated fatty acid methyl esters has been developed. The method is based on direct capillary GC-MS-EI analysis of dimethyl disulfide adducts. The procedure was applied to mixtures of monounsaturated fatty esters from pheromone gland extracts of three tortricids from theChoristoneura genus,C. fumiferana, C. occidentalis, andC. pinus pinus, and one noctuid from the Plusiinae subfamily,Plusia chalcites. A correlation was found between the known major pheromone components in the four species with the corresponding fatty acids. Some of the additional fatty acids may be precursors to as yet unidentified minor pheromone components, present in extremely small quantities, in these species.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01411414
    Standort Signatur Erwartet Verfügbarkeit
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  • 5
    Digitale Medien
    Digitale Medien
    Attraction of tortricid moths of subfamily olethreutinae to field traps baited with dodecadienes (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 217-230 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Sex attractant ; Lepidoptera ; Tortricidae ; Olethreutinae ; 8,10-dodecadienes ; 7,9-dodecadienes ; field trapping
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract All four geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups were synthesized and field tested. The field survey produced sex attractant lures for 14 insect species. Species in the generaCydia, Grapholita, Eucosma, Pelochrista, Petrova, Phenta, Hedya, and Pseudosciaphila were captured. Defined lures were developed for some of the species captured. Gas chromatographie retention times for all geometrical isomers of 7,9- and 8,10-dodecadienes with acetate, alcohol, and aldehyde functional groups are reported. A study of the isomerization of 8,10-dodecadienyl acetates and aldehydes impregnated in rubber septa is reported.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988204
    Standort Signatur Erwartet Verfügbarkeit
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  • 6
    Digitale Medien
    Digitale Medien
    Orientation behavior of second-instar larvae of eastern spruce budwormChoristoneura fumiferana (Clem.) (Lepidoptera: Tortricidae) in a y-type olfactometer (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 837-845 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Eastern spruce budworm ; Choristoneura fumiferana ; Lepidoptera ; Tortricidae ; conifers ; Picea sp. ; Abies sp. ; host volatiles ; attraction ; larval olfaction ; olfactometer
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract A two-choice, wind-tunnel olfactometer was designed and contructed to determine whether second-instar eastern spruce budworm larvae,Christoneura fumiferana (Clem.), could detect and discriminate among host-plant volatiles. Volatiles of current year's growth ofPicea glauca were preferred over those ofP. rubens, P. mariana, or air.Abies balsamea was preferred overP. mariana or air.P. rubens andP. mariana were both preferred over air. Two-year-old growth ofP. glauca, A. balsamea, P. rubens, andP. mariana were all preferred over air. Current year's growth of these host evergreen species was usually preferred over former year's growth of the same species in each case.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01012072
    Standort Signatur Erwartet Verfügbarkeit
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  • 7
    Digitale Medien
    Digitale Medien
    Tests for induction of feeding preferences in larvae of eastern spruce budworm using extracts from three host plants (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 809-817 
    Details
    ISSN: 1573-1561
    Schlagwort(e): Eastern spruce budworm ; Lepidoptera ; Tortricidae ; Choristoneura fumiferana ; host preference ; deterrence
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract Feeding preferences to extracts from three host plants were determined for sixth-instar eastern spruce budworm larvae reared on one of three hosts or on artificial diet. Preferences of foliage-reared larvae were compared to those of diet-reared, or naive, larvae. No effect of plant induction was found using amino acids and bases and chloroform extracts on test disks in three-choice experiments. Possible effects of habituation for sugars and glycosides from white spruce were shown. Organic acids contributed to a phenomenon of avoidance learning in larvae reared on all three hosts, showing that this fraction from balsam fir was the least deterrent, while that from black spruce was the most deterrent.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF00988308
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  • 8
    Digitale Medien
    Digitale Medien
    New lepidopteran sex attractants found by systematic field screening of blends containing (Z)-11- and (E)-11-tetradecenal (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 1333-1339 
    Details
    ISSN: 1573-1561
    Schlagwort(e): (Z)-11-tetradecenal ; (E)-11-tetradecenal ; sex attractants ; Tortricidae ; Drepanidae ; Noctuidae
    Quelle: Springer Online Journal Archives 1860-2000
    Thema: Biologie , Chemie und Pharmazie
    Notizen: Abstract By screening (Z)-11-tetradecenal and (E)-11-tetradecenal alone, mixed with each other or mixed with corresponding alcohols or acetates, sex attractants were discovered or improved for nine Lepidoptera. Attractants were found forAcleris sparsana, A. tripunctana, Aphelia viburnana (all Tortricidae),Cilix glaucata (Drepanidae), andCosmia trapezina (Noctuidae). The significance of Δ11-tetradecenals in tortricid sex attractants is discussed.
    Materialart: Digitale Medien
    URL: http://dx.doi.org/10.1007/BF01012134
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