Difference of Esterase Isozymes between Non-diapausing and Diapausing Strains of the Citrus Red Mite, Panonychus citri (McGREGOR) : Acarina : Tetranychidae

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Abstract
The relationship between the diapause attribute and the non-specific esterase isozyme patterns was investigated in several populations of the citrus red mite, Panonychus citri (McGregor), collected from various localities in Japan. The diapause attribute of each population was determined by their developmental success on citrus leaves. The esterase isozyme patterns were detected by agarose thin layer electrophoresis, and classified to Types I, II, III and IV. Each population of the non-diapaususing strain showed 1 or 2 patterns among Types I, II and III. On the other hand, Type IV alone was detected from the populations of diapausing strain. Even if the populations included both strains, the diapause attribute of individuals could be clearly determined by their esterase isozyme patterns.