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  • Noctuidae  (53)
  • Springer  (53)
  • American Chemical Society
  • Elsevier
  • 1985-1989  (53)
  • 1940-1944
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Keywords
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  • Springer  (53)
  • American Chemical Society
  • Elsevier
Years
Year
  • 1
    Electronic Resource
    Electronic Resource
    Plant allelochemicals and insect parasitoids effects of nicotine onCotesia congregata (say) (Hymenoptera: Braconidae) andHyposoter annulipes (Cresson) (Hymenoptera: Ichneumonidae) (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 1319-1328 
    Details
    ISSN: 1573-1561
    Keywords: Plant allelochemical ; parasitoids ; three trophic level interactions ; nicotine ; Manduca sexta ; Lepidoptera ; Sphingidae ; Spodoptera frugiperda ; Noctuidae ; Cotesia congregata ; Hymenoptera ; Braconidae ; Hyposoter annulipes ; Ichneumonidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Parasitoids developing within tobacco hornworms or fall army-worms exhibit significant differences in development and survival depending on whether their hosts fed on nicotine-free or nicotine-containing diets. The effects of nicotine were more severe on the relatively less adapted parasitoid,H. annulipes than the specialist parasitoid,Cotesia congregata. Labeled alkaloid originally placed in herbivore diet was incorporated in several parasitoid tissues. These results suggest that interactions between plant allelochemicals and parasitoids should be considered in the development of theory on insect herbivory and plant defense.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012351
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  • 2
    Electronic Resource
    Electronic Resource
    Kairomones for the egg parasiteTrichogramma evanescens Westwood (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 781-791 
    Details
    ISSN: 1573-1561
    Keywords: Trichogramma evanescens ; Hymenoptera ; Trichogrammatidae ; Pieris brassicae ; Lepidoptera ; Pieridae ; Mamestra brassicae ; Noctuidae ; kairomone ; sex pheromone ; (Z)-11-hexadecenylacetate
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract In a four-armed airflow olfactometerTrichogramma evanescens Westwood females were attracted by a volatile substance(s) released by virgin females of the great cabbage white butterfly,Pieris brassicae L. Males or recently mated females did not cause attraction. Furthermore,T. evanescens was also attracted by volatiles released by calling virgin cabbage moths,Mamestra brassicae L. However, the parasites did not respond to (Z)-11-hex-adecenylacetate (the main component of the sex pheromone ofM. brassicae), a crude hexane extract of the sex pheromone gland, or to males or recently mated females.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988305
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  • 3
    Electronic Resource
    Electronic Resource
    Light-mediated allelochemical effects of naturally occurring polyacetylenes and thiophenes from asteraceae on herbivorous insects (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 835-858 
    Details
    ISSN: 1573-1561
    Keywords: Polyacetylenes ; thiophenes ; Asteraceae ; phototoxicity ; Ostrinia nubilalis ; Euxoa messoria ; Manduca sexta ; Lepidoptera ; Pyralidae ; Sphingidae ; Noctuidae ; coevolution ; photosensitization ; feeding deterrence
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Polyacetylenes and their thiophene derivatives, characteristic secondary metabolites of the Asteraceae, were examined for their effects on herbivorous insects. Three thiophenes (a monothiophene, a bithiophene, and α-terthienyl) and four polyacetylenes (phenylheptatriyne, phenylheptadiynene, phenylheptadiyene acetate, and matricaria lactone) were studied for their phototoxicity and light-independent toxicity to (1) a polyphagous lepidopteran,Ostrinia nubilalis, whose host range includes a number of phototoxic Asteraceae, (2) a polyphagous lepidoteran,Euxoa messoria, whose host range includes very few species of Asteraceae, and (3) an oligophagous lepidopteran,Manduca sexta, which is a specialist on Solanaceae. Several compounds were phototoxic toM. sexta andE. messoria even at very low irradiance levels, but behavioral adaptations, including spinning silk and boring into diet, allowedO. nubilalis to avoid photosensitization. Light-independent activity of the compounds to all three species involved feeding deterrence increasing in the orderO. nubilalis, E. messoria, andM. sexta, and longterm metabolic toxicity in the form of impaired nutrient utilization. The biosynthetically derived thiophenes were more toxic than their acetylenic precursors, and toxicity increased with increasing number of thiophene rings. The results are discussed in terms of plant-insect coevolution.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020255
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  • 4
    Electronic Resource
    Electronic Resource
    A comparative study of pheromone perception in two species of Noctuid moths (1988)
    Springer
    Journal of insect behavior 1 (1988), S. 75-96 
    Details
    ISSN: 1572-8889
    Keywords: Trichoplusia ni ; Pseudoplusia includens ; Noctuidae ; Plusiinae ; reproductive isolation ; pheromone ; perception ; electrophysiology ; olfactory receptor neurons
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract The electrical activity of single olfactory receptor neurons in male soybean looper (SBL) Pseudoplusia includens(Walker) and cabbage looper (CL) Trihoplusia ni(Hübner) moths was evaluated in response to stimulation with fixed amounts of the individual components of their respective pheromone blends. In common with earlier observations in the CL, there are at least two classes of morphologically distinct pheromone sensitive sensilla on the antenna of male SBL, each of which contains two olfactory receptor neurons. In both species, one class of sensilla contains an olfactory receptor neuron sensitive to (Z)-7-dodecen-1-ol acetate (Z-7, 12:AC), the major component in each insect's blend, and a companion receptor neuron which is sensitive to (Z)-7-dodecen-1-ol (Z7,12: OH). In both species the second class of sensilla contains an olfactory receptor neuron which is sensitive to one of the minor components of the pheromone blend. (Z)-5-dodecen-1-ol acetate (Z-5,12:AC) is an effective stimulus in SBL, whereas (Z)-7-tetradecen-1-ol acetate (Z-7,14:AC) is an effective stimulus in CL. However, these two stimulatory compounds have been identified only in the female CL gland; neither has been found in the SBL gland. Thus, in contrast to the CL, which has receptor neurons which are responsive exclusively to conspecific pheromone components, the SBL has a class of receptor neurons which is responsive to a minor component of another species' pheromone blend. Field-trapping assays in which Z-5,12:AC is added to the SBL blend suggest that this single CL component is a powerful inhibitor of male SBL behavioral responses to conspecific pheromone blends. The difference observed in the specificity of the receptor neurons in this second class of sensilla are thus believed to play an integral role in the isolation processes that are maintained between these two species and may well account for the observed behavioral differences in their responses to heterospecific pheromone blends.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01052505
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  • 5
    Electronic Resource
    Electronic Resource
    Consumption and utilization of celery, Apium graveolens, by the beet armyworm Spodoptera exigua (1985)
    Springer
    Entomologia experimentalis et applicata 38 (1985), S. 73-79 
    Details
    ISSN: 1570-7458
    Keywords: Noctuidae ; Spodoptera exigua ; Apium graveolens ; nutrition ; nitrogen utilization ; biomass conversion ; digestion
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé L'impact biologique de la consommation et de l'utilisation du céleri a été examiné sur un herbivore généraliste Spodoptera exigua Hübner. Une analyse de feuilles et de pétioles montre que ces deux parties de la plante ont une haute teneur en eau (〉85%), mais que les feuilles contiennent deux fois plus d'azote organique total que les pétioles. Les taux de développement et de reproduction on été significativement plus élevés (〈0,01 test t) pour les chenilles nourries sur feuilles. Les 2 derniers stades ont consommé significativement plus (P〈0,05 test t) de poids sec de matière végétale en s'alimentant sur pétioles qu'en s'alimentant sur feuilles. Bien que les taux de croissance aient été voisins quel que soit l'aliment pour les avant-derniers stades, la conversion d'aliment en poids de corps était inférieure pour les chenilles ne consommant que des pétioles. Au dernier stade, tant les taux de croissance que de conversion des chenilles élevées sur pétioles étaient inférieurs à ceux des chenilles élevées sur feuilles. Ainsi, puisque les chenilles présentent une préférence pour les pétioles moins nutritifs au dernier stade larvaire, des paramètres écologiques autres que l'alimentation doivent influencer les mouvements et la distribution de S. exigua sur céleri.
    Notes: Abstract The biological impact of consumption and utilization of celery was examined for the generalist herbivore, Spodoptera exigua (Hübner). An analysis of leaves and petioles demonstrated that both plant parts contained high levels of water (〉85%), but that leaves contained twice as much total organic nitrogen as petioles. Developmental and reproductive rates were significantly higher (P〈0.01, t-test) for larvae fed on leaves. Penultimate and final instars consumed significantly more (P≤0.05, t-test) dry weight of plant material when fed petioles as opposed to leaves. Although growth rates were similar regardless of food source for penultimate instars, conversion of food to body weight was lower for larvae limited to petioles. In the final instar, both growth and conversion rates were lower for larvae fed petioles than for those given leaves. Thus, since larvae exhibit preferences for the nutritionally less suitable petioles during later larval stages, environmental factors other than nutrition must influence movement and distribution of S., exigua in celery.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00163355
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  • 6
    Electronic Resource
    Electronic Resource
    Response of the egg parasitoid Trichogramma pretiosum to the sex pheromone of its host Heliothis zea (1988)
    Springer
    Entomologia experimentalis et applicata 48 (1988), S. 293-300 
    Details
    ISSN: 1570-7458
    Keywords: Lepidoptera ; Noctuidae ; Heliothis zea ; Hymenoptera ; Trichogrammatidae ; Trichogramma pretiosum ; egg parasitoid ; sex pheromone ; kairomone ; host-community location ; olfactometer
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Description / Table of Contents: Résumé Des expériences menées en olfactométrie avec le parasite oophage Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) et son hôte, Heliothis zea (Boddie) (Lepidoptera: Noctuidae) donnent les résultats suivants. La présence de la phéromone sexuelle de l'hôte réduit de façon significative le nombre de passages entre les champs odorisés. De mème, les parasites visitent plus fréquemment le champ qui dispense l'odeur de la femelle en appel que le champ témoin placé à l'opposé. Par ailleurs, le temps passé dans le champ qui contient la phéromone sexuelle émise par les femelles vierges en appel est significativement supérieur à la durée de visite des champs témoins. Si l'on utilise comme source d'odeur des femelles vierges qui ne sont pas en appel, la réponse est inversée, les parasites sont alors repoussés par l'odeur de ces papillons et le nombre de visites est distribué de façon aléatoire entre les quatre champs. Ces résultats sont discutés dans le contexte de l'écologie du comportement de recherche chez les parasites oophages.
    Notes: Abstract This paper presents results of olfactometer experiments with the egg parasitoid Trichogramma pretiosum Riley (Hymenoptera: Trichogrammatidae) and its host the corn earworm moth, Heliothis zea (Boddie) (Lepidoptera: Noctuidae). The sex pheromone of the host significantly reduced the total number of border crossings between odour fields in the olfactometer. Also, female parasitoids made significantly more visits to the calling moth odour field than to the opposite control field in the olfactometer. Further, the wasps spent significantly more time in the olfactometer field containing the sex pheromone released by calling virgin moths, than in control fields. If non-calling virgin moths were used as odour source, the response was reversed and wasps were repelled by the odour of the moths, and the numbers of visits were evenly distributed over the four flow fields. These results are discussed in the context of foraging ecology of egg parasitoids.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00376410
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  • 7
    Electronic Resource
    Electronic Resource
    Beneficial arthropod behavior mediated by airborne semiochemicals (1988)
    Springer
    Journal of chemical ecology 14 (1988), S. 1583-1596 
    Details
    ISSN: 1573-1561
    Keywords: Microplitis demolitor ; Hymenoptera ; Braconidae ; Heliothis zea ; Lepidoptera ; Noctuidae ; Biological control ; artificial diet ; preflight behavior ; wind tunnels ; oviposition ; age ; chemosensory receptors ; chilling pupae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Heliothis zea (Boddie) larvae fed cowpea seedlings produced volatile semiochemicals to whichMicroplitis demolitor Wilkinson responded in a wind tunnel. However, mostM. demolitor females reared fromH. zea larvae fed an artificial diet were not responsive at emergence to the same volatile semiochemicals. A preflight contact with frass fromH. zea fed cowpea was needed to stimulate a response of sustained flight in a wind tunnel. The most consistent flight response was 7–10 days postemergence. Response resulting from both antennal and ovipositor contact with host frass during preflight stimulation was no better than from antennal contact alone. Chilling the parasitoid pupae rendered most of the emerging females unresponsive to volatile semiochemicals.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012524
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  • 8
    Electronic Resource
    Electronic Resource
    Female sex pheromone of iris borer,Macronoctua onusta (Lepidoptera: Noctuidae) (1989)
    Springer
    Journal of chemical ecology 15 (1989), S. 1559-1566 
    Details
    ISSN: 1573-1561
    Keywords: (Z)-11-Hexadecenal ; (Z)-11-hexadecen-1-ol ; (Z)-9-tetradecenal ; iris ; iris borer ; Macronoctua onusta ; tobacco budworm ; Heliothis virescens ; Lepidoptera ; Noctuidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Chromatographic and mass spectrometry studies of heptane extracts of the ovipositors of the iris borer,Macronoctua onusta, showed that the females produce several compounds that are the same as those produced by females of the tobacco budworm,Heliothis virescens. In trapping experiments, a mixture of (Z)-11-hexadecenal, (Z)-11-hexadecen-1-ol, and (Z)-9-tetradecenal (94∶4∶2) proved to be the minimum set of compounds required to cause effective capture of iris borer males in the field.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01012383
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  • 9
    Electronic Resource
    Electronic Resource
    Insect olfactory receptor responses to components of pheromone blends (1986)
    Springer
    Journal of chemical ecology 12 (1986), S. 451-467 
    Details
    ISSN: 1573-1561
    Keywords: Cabbage looper ; Trichoplusia ni ; Lepidoptera ; Noctuidae ; insect attractant ; electrophysiology ; olfactory receptor ; pheromone blend
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Multicomponent pheromone systems are common in many insect species. As our knowledge about the number of different chemical compounds actually involved in a particular communication system increases, so too does the need for an efficient neural mechanism for the encoding of behaviorially relevant odor compounds. Here we consider the electrical activity of olfactory receptor neurons in a subset of the individual pheromone-sensitive sensilla on the antennae of male cabbage looper moths (Trichoplupia ni). Responses to single- and multiple-component stimuli, drawn from seven behaviorally active compounds, were obtained at several different intensities. Some blends elicited electrical responses which were not readily predicted from a knowledge of the receptor neuron's response to individual components.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01020566
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  • 10
    Electronic Resource
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    Myristicin, safrole, and fagaramide as phytosynergists of xanthotoxin (1989)
    Springer
    Journal of chemical ecology 15 (1989), S. 309-315 
    Details
    ISSN: 1573-1561
    Keywords: Xanthotoxin ; Heliothis zea ; Lepidoptera ; Noctuidae ; myristicin ; fagaramide ; safrole ; isosafrole ; synergism ; phytosynergist ; phototoxicity
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The methylenedioxyphenyl-containing (MDP) inhibitors of mixed-function oxidase detoxification enzymes, myristicin, safrole, fagaramide, and isosafrole, occur with xanthotoxin or other toxic furanocoumarins in plants of the families Umbelliferae and Rutaceae. All four MDP compounds have a synergistic effect on the toxicity of xanthotoxin toHeliothis zea. Myristicin also increased the phototoxicity of xanthotoxin in the presence of UV light. The term phytosynergist is used to describe plant compounds that are present at concentrations producing no toxic effect by themselves but have a synergistic effect on cooccurring toxins.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF02027792
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