Efficiency of rubidium marking in Aedes albopictus (Diptera: Culicidae): preliminary evaluation on persistence of egg labeling, survival, and fecundity of marked female

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Abstract
Rubidium chloride (RbCl) has been used for the study of vector biology and behavior, although the marking, egg production, and survivorship of markedJemales have been poorly studied. Four concentrations of RbCl were tested, among which 0.025 M was the best for marking Aedes albopictus: more than 801016 of egg, batches of females fed once with blood containing RbCl were marked; Rb-marked egg batches, interspersed with non marked ones were recovered until 61 days after a blood meal containing RbCl followed by non marked meals; RbCl was essentially detected in the abdomen of marked meals, whose egg production and survivorship did not differ from non marked ones, at least in the three weeks following the Rb-marked blood meal.

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