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  • postemergence learning  (2)
  • 2000-2004
  • 1990-1994  (2)
  • 1
    Electronic Resource
    Electronic Resource
    Effects of postemergence experience on searching and landing responses of the insect parasitoid,Cotesia congregata (Say) (Hymenoptera: Braconidae), to plants (1992)
    Springer
    Journal of insect behavior 5 (1992), S. 301-320 
    Details
    ISSN: 1572-8889
    Keywords: postemergence learning ; cross-induction ; foraging behavior ; Cotesia congregata (Say) ; Braconidae ; Hymenoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Postemergence experience with one of six plant species, in the presence of the host larva, modified the searching response of reproductively mature females of Cotesia congregata(Say) to these plants in at least one of three ways: (1) an increased response to the plant experienced at emergence, (2) an increased response to other plants, or (3) an inhibited response to other plants. Landing and searching responses were differentially affected by postemergence experience. For example, postemergence experience with tobacco (a common plant) in the presence of the host larva induced a landing preference for this plant over parsley (a novel plant) but did not affect searching responses to either plant, whereas experience with parsley and the host larva induced an increased searching response to parsley but a landing preference for tobacco. Differential effects of postemergence experience may reflect the type of stimuli involved in searching or landing and may have adaptive significance.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01049840
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  • 2
    Electronic Resource
    Electronic Resource
    Postemergence learning in the insect parasitoid,Cotesia congregata (Say) (Hymenoptera: Braconidae) (1991)
    Springer
    Journal of insect behavior 4 (1991), S. 727-742 
    Details
    ISSN: 1572-8889
    Keywords: postemergence learning ; early-adult experience ; Cotesia congregata (Say) ; Braconidae ; Hymenoptera
    Source: Springer Online Journal Archives 1860-2000
    Topics: Biology
    Notes: Abstract Exposing newly emerged females of Cotesia congregata(Say) to wild cherry, an inherently unattractive plant, and their host larvae at 0–4 h after adult emergence induced a positive searching response to wild cherry and an inhibited response to cabbage, an attractive plant. Inherent responses were not affected when females were exposed to their hosts at 0–12 h and to cherry at 8–12 h after emergence. The induced response to cherry was constant until its disappearance at 6–7 days;inhibition of the response to cabbage was released at 4–5 days after emergence. Postemergence exposure to cherry and parasitoid cocoons induced similar but weaker searching responses. Induced searching responses exhibit features of associative learning and receptor modification. In addition to its presumed role in foraging, postemergence experience with plants may encourage assortative mating of C. congregatawithin suitable host habitats and, thus, facilitate local adaptations to specific plants.
    Type of Medium: Electronic Resource
    URL: http://dx.doi.org/10.1007/BF01052227
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    Paper (German National Licenses)
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