Abstract
The spider mite Tetranychus urticae shows variation in its dispersal capacity (i.e., the leaf quality at which a female decides to disperse). We were able to artificially select mites that had either a high or a low dispersal capacity, indicating that this trait was genetically controlled. We then compared correlated responses to this selection. Mites with a genetically high dispersal capacity (‘HD’ strains) had a higher diapause incidence and a lower performance compared to mites with a low dispersal capacity (‘LD’ strains). A possible effect of random genetic drift during the selection was negligible. Our results suggest that differential dispersal capacity is associated with contrasting life history patterns as a result of natural selection.
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Yano, S., Takafuji, A. Variation in the Life History Pattern of Tetranychus Urticae (Acari: Tetranychidae) after Selection for Dispersal. Exp Appl Acarol 27, 1–10 (2002). https://doi.org/10.1023/A:1021518221031
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DOI: https://doi.org/10.1023/A:1021518221031