Mosquito BiologyMosquito Biology
Larval ControlLarval Control
General PointsGeneral Points
► Four development Four development stages stages (egg/larva/pupa/adult)(egg/larva/pupa/adult)
► Immature stagesImmature stages need need standing water standing water (egg/larva/pupa)(egg/larva/pupa)
How long from egg to adult?How long from egg to adult?
► 3 to 5 days for flood water species like3 to 5 days for flood water species like Aedes Aedes & & OchlerotatusOchlerotatus► 7 to 10 days for standing water species like 7 to 10 days for standing water species like CulexCulex ► 14 to 21 days for rice field species like14 to 21 days for rice field species like Anopheles Anopheles
District SpeciesDistrict Species
► 53 California 53 California speciesspecies
► 7 genera, 24 District 7 genera, 24 District speciesspecies
►Different habitats, Different habitats, behavior, blood behavior, blood sourcessources
AnophelesAnopheles
Rice Fields/”Clean Water Sources”
Mosquito Immature HabitatsMosquito Immature Habitats
►AgriculturalAgricultural► IndustrialIndustrial►DomesticDomestic►NaturalNatural
Mosquito Breeding Sites Around the Home/Community
Reporting of problemsReporting of problems
►Maybe no need to report!Maybe no need to report! If it can be drained, then problem goes If it can be drained, then problem goes
awayaway
►District websiteDistrict website www.fightthebite.netwww.fightthebite.net
►District phoneDistrict phone 1-800-429-1022 between 7:00-3:301-800-429-1022 between 7:00-3:30
►Any way you can let us know!Any way you can let us know!
When are Mosquitoes Active?When are Mosquitoes Active?
►Dusk & Dawn (Dusk & Dawn (CulexCulex & & AnophelesAnopheles))►Daytime (Daytime (AedesAedes & & OchlerotatusOchlerotatus))
How Long do Mosquitoes How Long do Mosquitoes live?live?
►Depends on season (winter/summer) Depends on season (winter/summer) and speciesand species
► In summer 2-3 weeksIn summer 2-3 weeks►Ochlerotatus Ochlerotatus and and Aedes Aedes longer lived longer lived
than than CulexCulex..
How Far can a Mosquito Fly from How Far can a Mosquito Fly from a Development Site?a Development Site?
Flight RangeFlight Range DistanceDistance SpeciesSpecies
ShortShort Few blocks to Few blocks to a milea mile
Culex pipiensCulex pipiens
Oc. sierrensisOc. sierrensis
MediumMedium 3 to 10 miles3 to 10 miles Culex tarsalisCulex tarsalis
LongLong 10 to 40 miles10 to 40 miles An. freeborniAn. freeborni
Oc. Oc. melanimonmelanimon
Mosquito ControlMosquito Control
►Water management Water management (The Best!)(The Best!)
► Biological controlBiological control► Insecticides Insecticides
(larvicides, (larvicides, adulticidesadulticides
Public Awareness and Public Awareness and EducationEducation
► InformingInforming What you can do to prevent mosquitoesWhat you can do to prevent mosquitoes What you can do to protect yourselfWhat you can do to protect yourself
►Changing BehaviorChanging Behavior ““You poured out that bucket of water, but You poured out that bucket of water, but
did you just fill it back up with the did you just fill it back up with the sprinkler?”sprinkler?”