Mosquito Control to Spray for Mosquito Larvae Downstate during Daylight Hours Wednesday

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application for mosquito larvae located in flooded forested wetland habitats. This application could take place during the daylight hours on Wednesday, March 25, 2026, via helicopter (registration numbers N2268W and/or N862W). Application of Vectobac12AS (liquid BTI) to control mosquito larvae in the following areas: In Woodside. Near Dagsboro, Fenwick…

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DNREC to Begin Mosquito Spraying Friday

Mosquito spraying will begin on Friday! Mosquito Control will begin spraying the woodland pools to control aquatic immature mosquitoes and continue into mid-April – weather permitting. Spraying begins in southern Sussex County and will expand into Kent and New Castle Counties over the next several weeks. Targeting the woodland pool larval mosquitoes limits the emergence…

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Aerial Mosquito Spraying Tonight in Prime Hook & Broadkill Beach Areas

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application during the evening hours on Monday, September 8, 2025: Application of Trumpet EC (naled) with an airplane (registration numbers N5552A) to control adult mosquitoes in the following areas: Near Milford and Lewes (Prime Hook and Broadkill Beaches). For notification purposes, spraying will be done in the following spray…

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Sussex County Mosquito Spraying Tuesday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Tuesday, August 26, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Laurel. Near Bethel, Seaford, Delmar, and Lewes. For notification purposes, spraying will be done in the following spray zones: 146,…

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Kent & Sussex Mosquito Spraying Monday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, August 25, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Felton, Houston, and Milford. Near Camden, Marydel, and Harrington. For notification purposes, spraying will be done in the following…

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Mosquito Spraying Monday evening in Sussex & Kent Counties

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, July 28, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Rehoboth Beach, Lewes, Milford, and Felton. Near Harrington, Viola, Greenwood, Ellendale, Lincoln, Millsboro, and Georgetown. For notification purposes, spraying…

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DNREC Plans Downstate Mosquito Spraying for Monday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, July 21, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Milford, Harrington, Felton, and Frederica. Near Camden, Ellendale, Greenwood, and Lincoln. For notification purposes, spraying will be done in…

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Sussex & Kent County Mosquito Spraying Thursday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Thursday, July 17th, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Milford. Near Lincoln and Milton. For notification purposes, spraying will be done in the following spray zones: 110, 111, 117,…

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DNREC Mosquito Control to Spray to Control Adult Mosquitoes in Northern Sussex & Southern Kent Counties

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, July 14, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Milford. Near Lewes, Milton, Lincoln, and Houston. For notification purposes, spraying will be done in the following spray zones: 110,…

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DNREC to Spray for Mosquitoes in Sussex County Tuesday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Tuesday, July 1, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Millsboro. Near Georgetown and Lewes. For notification purposes, spraying will be done in the following spray zones: 151, 153, 163,…

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Downstate Mosquito Spraying in Sussex & Kent Counties Monday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, June 30, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Harrington, Milford, and Milton. Near Georgetown, Ellendale, Greenwood, Lincoln, Felton, Camden, Marydel, and Magnolia. For notification purposes, spraying will…

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Mosquito Control Insecticide Application Planned in Milford Area, Western Sussex County Today

The Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours today, Wednesday, June 25th–weather permitting. The application with a truck mounted sprayer will be done to control adult mosquitoes in Milford as well as near Seaford, Bridgeville, Greenwood, Harrington, and Felton. All insecticides to be used are registered with the USEPA…

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Mosquito Spraying in Sussex County Tuesday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Tuesday, June 24, 2025: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In Long Neck, Millsboro, and Fenwick Island. Near Millsboro, Ocean View, Frankford, Selbyville, Delmar, Laurel, Georgetown, and Lewes. For notification purposes, spraying…

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UPDATED: Downstate Mosquito Spraying Tuesday Evening – Lewes, Milford & Milton

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application during the evening hours tonight Tuesday, June 10, 2025: Application of Trumpet EC (Naled) with an airplane (registration numbers N5552A) to control adult mosquitoes in the following areas: In Lewes. Near Milford and Milton. For notification purposes, spraying will be done in the following spray zones: 119, 120, 127, 128,…

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Downstate Mosquito Spraying Friday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application during the evening hours tonight Friday, June 6, 2025. Application of Trumpet EC (Naled) with an airplane (registration numbers N5552A or N4001A) to control adult mosquitoes in the following areas: In Slaughter Beach, Prime Hook Beach, and Broadkill Beach. Near Milford, Milton, and Lewes. For notification purposes, spraying will…

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Mosquito Control Spray Announcement- Downstate Ground Adulticiding (Fogging)

Weather permitting; the Delaware Mosquito Control Section plans an insecticide application during this evening, September 19th in Greenwood, Milford, and Seaford. The spraying will also be done near Delmar, Felton, Fenwick Island, Frankford, Harrington, Laurel, Lewes, Millsboro (Oak Orchard), Milton (Broadkill Beach), Ocean View, and Viola. All insecticides to be used are registered with the…

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Mosquito Control Spray Announcement- Downstate Ground Adulticiding (fogging)

Weather permitting; the Delaware Mosquito Control Section plans insecticide application(s) during this evening in the Camden, Wyoming, and Woodside areas as well as near Dover, Viola, Felton, Magnolia, Laurel, Bethel, Milton, and Lewes. All insecticides to be used are registered with the USEPA for mosquito control and will be applied according to USEPA approved label…

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Mosquito Spraying in Sussex & Kent County Tuesday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Tuesday, August 20, 2024: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Milford and Milton. Near Greenwood, Harrington, Lincoln, and Ellendale. For notification purposes, spraying will be done in the following…

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DNREC Mosquito Spraying Monday Evening in Sussex County

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, August 12, 2024: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Delmar, Seaford, Lincoln, and Milford. Near Frankford, Millsboro, Laurel, Bethel, and Ellendale. For notification purposes, spraying will be done…

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DNREC: Mosquito Spraying Downstate Tuesday Evening

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Tuesday, August 06, 2024: Application of Zenivex E4 (Etofenprox) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Georgetown, Seaford, Bridgeville, Greenwood, Harrington, and Milford Near Millsboro and Laurel. For notification purposes, spraying will be done in…

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First Detection of West Nile Virus Found in DE Sentinel Chickens

The first detections of West Nile Virus have been found in sentinel chickens in all three counties in Delaware. DNREC officials say the initial occurrence was found in 8 sentinel chickens sampled on July 22 by the Mosquito Control Section – tests showed positive for West Nile Virus by the DPH Lab on July 24th…

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Mosquito Control Spray Announcement: Downstate Aerial Larviciding

Weather permitting; DNREC’s Delaware Mosquito Control Section plans an insecticide application for mosquito larvae located in flooded forested wetland habitats. This application could take place during the daylight hours tomorrow Friday, March 29th through Monday, April 1st via helicopter. The Application to control mosquito larvae will take place In Woodside, Ellendale, and Selbyville—also nearSeaford, Blades, Frankford, Ocean View, and Rehoboth…

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UPDATE: Downstate Mosquito Spraying This Week

Update 3/21/24: Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application for mosquito larvae located in flooded forested wetland habitats. This application could take place during the daylight hours on Friday, March 22nd  via helicopter (registration number N2268W and/or N862M). Application of Vectobac12AS (liquid BTI) to control mosquito larvae in the following areas: In Woodside and Selbyville.…

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Downstate Mosquito Spraying – Sussex County

Weather permitting; the Delaware Mosquito Control Section plans the following insecticide application(s) during the evening hours on Monday, June 05, 2023: Application of Anvil 10+10 (Sumithrin/PBO) with a truck-mounted sprayer to control adult mosquitoes in the following areas: In and near Milford. And near Lincoln, Milton, and Lewes. For notification purposes, spraying will be done in the following spray…

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DNREC Expected to Begin Mosquito Spraying this Week

Mosquito spraying is expected to begin on Wednesday! DNREC will begin spraying the spring woodland pools to control aquatic immature mosquitoes – weather permitting. Spraying will begin in Sussex County – then move to Kent and New Castle Counties over the next several weeks. This spraying helps to limit the emergence of biting adult mosquitoes…

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