Fresno Mosquito & Vector Control District
What We Do
Control Operations
Biological/Biorational Control
Biological control is the use of natural enemies—predators, parasites, pathogens, and competitors—to control mosquitoes. Natural enemies against mosquitoes include mosquito fish (Gambusia sp.), bats, copepods, etc. Biorational pesticides referred to as amicrobial pest control agents include bacteria, fungi, and viruses
Larvicide
​Click on Label/SDS for product information
Chemical Control
​
Chemical control is the use of mosquito control products. These products are used only when needed and in combination with other approaches for more effective, long-term control. The district aims to select and apply products in a way that minimizes their possible harm to people and the environment
Click on label for product information:
-
Larvicide
-
Oils
-
Methoprene
-
Pyriproxyfen
-
Nyguard Label/SDS​
-
-
Spinosad
-
Physical Control
Physical control makes the environment unsuitable for mosquitoes. Physical controls include barriers such as screens, bed nets, and clothing (long sleeves, pants, etc.), as well as environmental manipulation such as draining a swamp, filling in tree holes, etc.
Physical Control
Physical Control
Mosquito/ Disease Surveillance
This trap specifically aims to target Aedes aegypti (Yellow Fever Mosquito) with water.
AGO
AGO
A fowl smelling water mixture is added as an attractant to gravid (pregnant) female mosquitoes seeking to lay their eggs.
Gravid
Gravid
This trap specifically aims to target Aedes aegypti gravid (pregnant) female mosquitoes with water and a paper for egg depositing.
OVI
OVI
This trap contains dry ice that emits CO2 to attract mosquitoes seeking a blood meal.
EVS
EVS
This trap specifically targets Aedes aegypti (Yellow Fever Mosquito) with a lure- based attractant.