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  • 1
    Electronic Resource
    Electronic Resource
    Beneficial arthropod behavior mediated by airborne semiochemicals. IX. Differential response ofTrichogramma pretiosum, an egg parasitoid ofHeliothis zea, to various olfactory cues (1990)
    Springer
    Journal of chemical ecology 16 (1990), S. 3531-3544 
    Details
    ISSN: 1573-1561
    Keywords: Trichogramma pretiosum ; Hymenoptera ; Trichogrammatidae ; Heliothis zea ; Spodoptera frugiperda ; Lepidoptera ; Noctuidae ; sex pheromone ; kairomone ; wind tunnel ; orientation behavior
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The behavior ofTrichogramma pretiosum Nixon wasps when exposed to different olfactory cues was studied in a wind tunnel. Compared to clean air, the sex pheromone of its hostHeliothis zea (Boddie) increased wasp residence times, walking times, and path lengths on a platform and decreased walking velocity. If wasps were released on top of a glass rod above a platform, the odor caused the wasps to land shortly after takeoff. In addition, a clear dose effect with regard to total residence and walking times was found. These responses were not elicited by three dosages of the sex pheromone ofSpodoptera frugiperda (J.E. Smith) or by a blend of saturated acetates. These results correspond with the observation thatH. zea is a common field host ofT. pretiosum, whereas eggs ofS. frugiperda are rarely attacked by this parasitoid.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00982116
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  • 2
    Electronic Resource
    Electronic Resource
    Kairomones and their use for management of entomophagous insects (1983)
    Springer
    Journal of chemical ecology 9 (1983), S. 695-701 
    Details
    ISSN: 1573-1561
    Keywords: Kairomone ; pheromone ; parasitoid ; Telenomus remus ; Hymenoptera ; Scelionidae ; Spodoptera frugiperda ; Lepidoptera ; Noctuidae ; fall armyworm ; (Z)-9-tetradecene-1-ol acetate ; (Z)-9-dodecene-1-ol
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract Telenomus remits Nixon is a parasitoid that attacks egg masses ofSpodoptera frugiperda (J.E. Smith). Increased host-seeking behavior was elicited fromT. remus females in Y-tubes, Petri dish, and greenhouse bioassays byS. frugiperda female abdominal tips as well as (Z)-9-tetradecene-1-ol acetate and (Z)-9-dodecene-1-ol acetate.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00988776
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  • 3
    Electronic Resource
    Electronic Resource
    Role of host-produced stimuli and learning in host selection behavior ofCotesia (=Apanteles) marginiventris (Cresson) (1985)
    Springer
    Journal of chemical ecology 11 (1985), S. 453-463 
    Details
    ISSN: 1573-1561
    Keywords: Kairomones ; learning ; experience ; host selection ; parasitoids ; Cotesia marginiventris ; Apanteles marginiventris ; Spodoptera frugiperda ; fall armyworm ; Hymenoptera ; Braconidae ; Lepidoptera ; Noctuidae
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology , Chemistry and Pharmacology
    Notes: Abstract The study was conducted to determine how various factors, including learning, influence the host-selection behavior of the larval parasitoid Cotesia (=Apanteles)marginiventris (Cresson). Frass, silk, and feeding damage fromSpodoptera frugiperda (J.E. Smith) larvae elicited visits and antennal examinations by females of the parasitoid. Learning played a role in the effective response to these stimuli in that previous contact experience with hosts and/or chewed leaves, exuviae, frass, or hemolymph significantly enhanced the response of the parasitoid. Previous contact with host plants alone did not improve the responses. Experienced parasitoids were more active and spent less time at rest than inexperienced parasitoids. Previous experience was also found to be of significant importance in the ability of the parasitoid to discriminate between parasitized and unparasitized host larvae.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF00989556
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