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Anopheles quadrimaculatus mosquito larvae in pollen

Closeup image of four mosquito larvae in water, in which mats of pollen grains are floating at the top. Three of the larvae are hanging upside down at the surface, while the fourth swims below them. The larvae are translucent with light brown coloration and darker brown heads. The pollen is light yellowish white in color.

Larvae of the common malaria mosquito (Anopheles quadrimaculatus), shown here among pollen in their aquatic habitat, showed low survival rates in a lab study when provided a diet of corn pollen or pine pollen. However, the southern house mosquito (Culex quinquefasciatus) fared well on the pollen diet. The findings suggest corn pollen could help the latter species—key vector of West Nile virus in the U.S.—thrive in habitats near agricultural areas. (Photo by Don Yee, Ph.D., BCE)

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