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  • Title: Variation in the olfactory response of 13 populations of the predatory mite Amblyseius womersleyi to Tetranychus urticae-infested plant volatiles (Acari: Phytoseiidae, Tetranychidae).
    Author: Maeda T, Takabayashi J, Yano S, Takafuji A.
    Journal: Exp Appl Acarol; 2001; 25(1):55-64. PubMed ID: 11508529.
    Abstract:
    We studied the response of the predatory mite Amblyseius womersleyi collected in 13 different sites in Japan toward Terranychus urticae-infested kidney bean leaf volatiles in a Y-tube olfactometer. The predatory mites were collected from eight plant species infested by one of three tetranychid mite species. The predators' responses to the infested-leaf volatiles varied from 33% to 97% among the populations. The predators collected at 10 sites showed a significant preference for infested-leaf volatiles, whereas those collected at three tea plantations did not distinguish between the infested- and uninfested-leaf volatiles. We discussed the possible factors that affected the olfactory response of A. womersleyi towards the infested leaf volatiles.
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