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Hemocyte types and total and differential counts in unparasitized and parasitized Anastrepha obliqua (Diptera, Tephritidae) larvae

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Author(s): SILVA J. E. B. | BOLELI I. C. | SIMÕES Z. L. P.

Journal: Brazilian Journal of Biology
ISSN 1519-6984

Volume: 62;
Issue: 4a;
Start page: 689;
Date: 2002;
Original page

Keywords: hemocytes | Anastrepha obliqua | fruit fly | parasitism

ABSTRACT
The hemocyte types, in addition to total and differential hemocyte counts were studied in parasitized and unparasitized Anastrepha obliqua larvae at the beginning and at the end of the third instar. In both developmental phases, in parasitized and unparasitized larvae, prohemocytes, plasmatocytes, granulocytes, adipohemocytes, spherulocytes and oenocytoids cells were observed. Mitotic figures indicate prohemocytes as stem cells. Prohemocytes, plasmatocytes and granulocytes are the most numerous cells in the hemolymph of A. obliqua. Difference in the total number of hemocytes was observed between unparasitized and parasitized larvae at the end of the third instar, but not at the beginning.
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