REHS- VECTORS QUESTIONS WITH COMPLETE SOLUTIONS

Which sex of the mosquito bites? correct answer: -Females. 2.Why does a female mosquito have to take a blood meal? correct answer: -Needed in order to mature her eggs. 3.Why are mosquitos known as a vector? correct answer: -Because they release infectious agents when taking a blood meal. Inoculation. 4.Describe the diseases which a mosquito can spread. correct answer: -Four common diseases of the mosquito are Plasmodium Vivax (Malaria), Yellow Fever, Encephalitis, Filariasis. 5.Describe the lifecycle of a mosquito. correct answer: -11 to 16 day cycle. Adult female mosquitoes lays eggs in water, eggs hatch in 2-3 days into larvae, larvae feeds on organic matter, larvae turn into pupa (4-10 days later). Pupae then turns into an adult mosquito in 2 days. 6.What are some larval characteristics of mosquitos? correct answer: -Depending on type of species. Anopheles larvae (malaria vector) are flat looking and wiggle horizontally up and down. -culex larvae (western st. louis encephalitis) has a long breathing tube. Tube can be seen out of the water. -The Aedes larvae (yellow fever) has a short breathing tube. It moves at different angles. 7.Describe how mosquito surveys are performed. correct answer: -check for flow characteristics, stagnancy, and pollution levels in open bodies of water. Mosquito dippers used to capture larvae and study the adult mosquito. are Tossits and how are they used? correct answer: -A petroleum based oil pesticide used to **** up larvae.