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Fig. 8. (AC) CA activity (as a percentage of total protein) measured in the
different regions of the midgut in adult males and females from the species
tested revealed that the enzyme is preferentially associated with the
posterior midgut in all species, in both males and females. CA activity was
detected in anterior (A) and posterior (B) midgut in females and only in the
posterior midgut of males (C). (A) CA activity in the anterior midgut of
female adult mosquitoes was detected only in Ae. aegypti (highest),
Ae. albopictus and Cx. nigripalpus females. (B) CA activity
in the female posterior midgut was detected in all species to various degrees.
(C) CA activity was detected in the posterior midgut of all species of males
tested and was not detected in the anterior midgut of males from any
species.