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Michigan Mosquito Control 7F – Questions With Solutions

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Michigan Mosquito Control 7F – Questions With Solutions

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  • February 17, 2024
  • 8
  • 2023/2024
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Michigan Mosquito Control 7F – Questions With
Solutions

Egg, larva, pupa, adult ✔️Ans - The four distinct stages of mosquito
development

There are ----- species of mosquitoes present in Michigan ✔️Ans - 60

Some of these species deposit their eggs on damp soil. ✔️Ans - Aedes
and Psorophora

Larvae breeding sites usually include water that is: ✔️Ans - stationary or
very slow moving

All larvae are: ✔️Ans - air breathers

Culicinae (Aedes, Culex, Psorphora, etc.) except Coquillettidia hang at an
-------- from the surface with the tip of their air tube inserted into the
surface film. ✔️Ans - angle

Coquillettidia obtain air by inserting their air tubes into hollow roots of
aquatic plants and ✔️Ans - never need to go to the surface to breathe.

Adult stage mosquitoes have three distinct body parts. ✔️Ans - head,
thorax and abdomen

The ----- -segmented palpi originate at the lower front of the head near the
proboscis and vary in size and shape. In female Anopheles, they are about
the same length as the proboscis and straight-sided. ✔️Ans - five

Only females take a blood meal, utilizing the protein from blood to ✔️Ans
- produce eggs

Michigan has 3 classes of mosquitoes grouped on the basis of larval
habitats (breeding sites) and life history. ✔️Ans - permanent water
mosquitoes, floodwater mosquitoes, and artificial container/tree hole
mosquitoes

, Midges and crane flies ✔️Ans - These insects are commonly confused
with mosquitoes.

Floodwater mosquitoes have two groups ✔️Ans - summer floodwater
and spring floodwater

The most important mosquito-borne diseases in Michigan are caused by
these. ✔️Ans - Viruses

St. Louis Encephalitis (SLE) and West Nile (WN) disease ✔️Ans - Caused
with a natural transmission cycle involving several species of wild birds
(sparrows and starlings) and mosquitoes.

The causative agent of this is a protozoan parasite, and a filarial worm
causes dog heartworm. ✔️Ans - Malaria

Major vectors of WN and SLE in the United States. ✔️Ans - Members of
genus Culex

Some vertebrates do not develop a high enough level of a virus in their
blood to transmit to another vertebrate. ✔️Ans - Dead-end host

This is a mosquito-transmitted virus that causes a severe central nervous
system disease in horses and humans. ✔️Ans - Eastern Equine
Encephalitis (EEE)

Disease symptoms are more common in children. Transmission involves
mostly small mammals such as squirrels, chipmunks, field mice and
rabbits, and mosquitoes of the genus Aedes as a vector. ✔️Ans - La
Crosse Encephalitis (LAC)

Approximately one quarter of mosquito species known to occur in
Michigan are biologically capable of transmitting ✔️Ans - heartworm

This virus is increasing in deer populations, especially in white-tailed deer.
✔️Ans - Jamestown Canyon virus

These are needed to show fluctuations in mosquito abundance. ✔️Ans -
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