ANNAPOLIS, MD (August 13, 2025) ~ Annapolis, MD - The Maryland Department of Agriculture, in partnership with the Prince George's County Health Department, has announced plans to expand mosquito control services in response to a public health concern over the potential spread of mosquito-borne diseases. On the evening of August 14, 2025, Ultra-Low Volume (ULV) truck-based spraying will take place in Largo within a ¾ mile radius of Largo Road and Central Avenue.

The spraying is scheduled to occur after 7:30 p.m., but may be rescheduled for the next available evening if there is inclement weather. During this time, any existing spray exemptions in the area will be temporarily suspended.

To combat adult mosquitoes, personnel from MDA's Mosquito Control Program will use a permethrin-based solution that has been approved by the U.S. Environmental Protection Agency for use in public health mosquito control programs. While this solution does not pose unreasonable risks to human health, MDA recommends that residents avoid outdoor activities during spraying as a precautionary measure.

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It is important to note that not all mosquitoes carry diseases. However, MDA advises residents to take precautions to minimize their exposure to mosquito bites. These measures include wearing long, loose-fitting and light-colored clothing, using insect repellents according to product labels, avoiding mosquito-infested areas during peak activity times (dusk and dawn), and regularly cleaning bird baths and pet food/water bowls.

Additionally, it is recommended that residents install and maintain window and door screens in their homes and stables to prevent mosquitoes from entering. It is also important to regularly remove or empty any water-holding containers on your property.

To stay updated on any unscheduled spray events or other timely information about mosquito control in Maryland, residents are encouraged to follow MDA's Facebook page @MdAgDept. Routine spray program schedules can also be found on the program's website by county.

For more information, please contact MDA's Mosquito Control Program at 410-841-5870.

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