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Effects of infections by the ciliate Lambornella clarki on larval populations of its mosquito host Aedes sierrensis were examined in laboratory and field studies. When host populations developed with sufficient food, mortality from parasites was additive and reduced the number of emerging mosquitoes. For food-limited populations, mortality was compensatory(More)
The wingless first instars of the coccid Pulvinariella mesembryanthemi exhibit active aerial dispersal behavior by standing on their hind legs. This behavior is an age-specific response to the ambient wind velocity by which the instars are able to capitalize on air velocity gradients in the thin boundary layer surrounding the host plant substrate. This(More)
Larvae of the treehole mosquito, Aedes sierrensis, release a waterborne factor that induces morphogenesis of one of their prey, the tetrahymenid ciliate Lambornella clarki. Induced free-living trophonts of L. clarki undergo a synchronous response in which cells divide and transform into parasitic cells (theronts) that encyst on larval predators. Parasitic(More)
The generalist feeding strategy of larvae of the western tree hole mosquito, Aedes sierrensis, is central to understanding the community-level effects of the tritrophic interactions among mosquito larvae, midsized organisms (such as protozoa), and lower-level organisms (such as bacteria and fungi) in west coast phytotelmata. Laboratory microcosm experiments(More)
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