Exam (elaborations)
Michigan Mosquito Control 7F – Questions With Solutions
- Course
- MICHIGAN 7F MOSQUITO
- Institution
- MICHIGAN 7F MOSQUITO
Michigan Mosquito Control 7F – Questions With Solutions
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Michigan Mosquito Control 7F – Questions WithSolutions
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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