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- ADVISORY: For information on the Zika virus, a mosquito-borne disease known to be a threat in South and Central America and the southern U.S., please click here.
DNREC's Mosquito Control Section provides mosquito control services throughout Delaware. During the warmer months, Mosquito Control monitors and treats mosquito populations that emerge from wetland areas found throughout the state, including ditches, stormwater ponds, wet woodlands, and coastal salt marshes. The Mosquito Control Section works year-round on water and marsh management projects designed to reduce mosquito populations. The Section also provides the public with information on dealing with mosquitoes, from reducing backyard breeding to avoiding mosquito bites. For more mosquito control information in Delaware, please click on any of the buttons below.