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Head and wing of Anopheles multicolor female mosquito captured in Nouakchott, Mauritania. White and yellow arrows in (a, head) show the clear rings and dark terminal ring that characterize An. multicolor maxillary palps, respectively. Arrows in (b, wing) show (i) the sectorial clear zone and the median dark area on the costa, and (ii) the dark apical spot on the posterior cubital vein of the wing of An. multicolor adult females
