The five Sacramento-San Joaquin Delta counties enter mosquito season when mosquitos begin to appear in numbers during the early spring months. The season continues on through early autumn.
Each county has its own district (or in the case of Sacramento-Yolo counties a shared district) responsible for tracking and battling vectors. A vector is a biting insect or bug that transmits disease or parasites. Disease is spread when a mosquito bites a person or animal with a transmittable disease and then infects other people or animals when it bites them.
Mosquitos lay eggs in any available still water. Thousands of them. Their life cycle from egg to adult mosquito can range from as little as four days to four weeks. Mature female mosquitos (only the female bites) live about two to three weeks. But they always have replacements moving in…in huge numbers if each community does not take responsibility to help control them.
This year the Aedes aegypti, or Yellow Fever Mosquito, managed to live through the winter in San Joaquin County. Endemic to our region is West Nile Virus which is spread by mosquitos.
Producer: Michael Cockrell
Camera/Editor: Cyndy Green
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Michael Cockrell’s public service career has included law enforcement, water conservation enforcement, and emergency management. After 35-years at San Joaquin County’s Office of Emergency Services (OES), he retired as Director in December 2017. His OES experience between 1982-2017 included a wide range of emergencies and disasters such as floods, earthquake recovery, mass-casualty incidents, train derailments, hazardous materials releases, droughts, extreme heat and cold events. His education includes Associate and Bachelor degrees in Social Science, concentrating in Administration of Justice, and, a Master’s Degree in Public Administration. He has also completed many continued-education courses on administration and emergency management.
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