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Mosquitoes

Mosquito Lifecycle Photos

  1. 1 AMCA
  2. 2 Complaint Form Logo
  3. 3 How West Nile is Transmitted
  4. 4 Adult Mosquito- "Evening Mosquito" Culex Pipien
  5. 5 Adult Mosquito- "Day Biter" Aedes albopictus
  6. 6 Mosquito Larva Growing In Stagnant Water

Stagnant Water Sources Where Mosquitoes Reproduce

  1. 1 Common Water Sources Around The Home
  2. 2 Pool with Stagnant Water
  3. 3 Corrugated Pipe Grooves Hold Water
  4. 4 Rimless Tires Hold Water
  5. 5 Woodland pond with Stagnant Water
  6. 6 Water in Drainpipe
  7. 7 Field pond with Stagnant Water
  8. 8 Ditch in Field with Stagnant Water

Current Surveillance Activities - Click On Map Below

Dashboard Example

March 31, 2025, Larvae sampling and treatment began and is conducted at over 175 sites documented throughout the county, including permanent and semi-permanent waters, retention ponds, sewage pump stations, ditches, stagnant pools, and human-created artificial water sources. In addition, residents reporting mosquito complaints or areas of concern were investigated as they were reported.

Collections that produce high larva counts trigger a control response based on the program's Integrated Mosquito Management (IMM) Plan.

Treatment of the site includes using backpack sprayers dispensing the appropriate control material approved for use on the particular mosquito species and site (see product labels link below).

Adult Mosquito Sampling
Throughout the mosquito season (April 1 to September 27), adult mosquitoes are collected using 3 different types of traps.
Collections are taken to the DEP lab to determine if the mosquitoes are infected with West Nile Virus.
Assessments are then made based on pre-determined thresholds to determine if there is a significant health risk present that would warrant an adult mosquito spray event.
Select Here for Product Labels and SDS Sheets
Cumberland County is a PA Department of Agriculture Pesticide Application Licensed Business BU2145.
All Staff are PA Department of Agriculture Licensed Pesticide Applicators.
Products are used according to label instructions.
Not all products on this list are used.
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