Hemolymph pH of the larvae of three species of mosquitoes,and the effect of Romanomermis culicivorax parasitism on the blood pH of Culex pipiens |
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Authors: | Robin M Giblin Edward G Platzer |
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Institution: | Department of Nematology, University of California, Riverside, California 92521 USA |
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Abstract: | The hemolymph pHs of late fourth-instar Culex pipiens, Aedes taeniorhynchus, and Toxorhynchites amboinensis were measured with pH-sensitive glass microelectrodes and were slightly alkaline; pH 7.51, 7.62, and 7.37, respectively. The hemolymph pH remained relatively constant during the development of C. pipiens larvae through the third and early and late fourth instars. The hemolymph pH in C. pipiens larvae parasitized with the mermithid nematode Romanomermis culicivorax was unaltered. These measurements provide an approximate pH (ca 7.4) which is normal for the hemolymph of larval mosquitoes, and should be useful for further development of a culture medium for R. culicivorax. |
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Keywords: | Aedes taeniorhynchus Toxorhynchites amboinensis mosquito hemolymph nematode |
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