Biological aspects of the interaction between Coelomomyces psorophorae zygotes and the larvae of Culiseta inornata: Environmental factors |
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Authors: | James L Kerwin |
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Institution: | Department of Botany, University of Washington, Seattle, Washington 98195 USA |
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Abstract: | Zygotes of the obligately parasitic watermold Coelomomyces psorophorae encyst on the cuticular surface of susceptible mosquito larvae as the initial step in the infection process. Zygotes can successfully encyst on Culiseta inornata larvae at temperatures from 12°–30°C, with an optimum of 25°C. Optimum encystment on larvae occurs from pH 6.5–8.5, with activity documented from pH 5.0–9.5. Zygotes are active in water with total salinity of 5.4 ppt down to double glass-distilled water. |
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Keywords: | zygote encystment environmental factors host specificity |
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