Wisconsin Category 5.0 Aquatic/Mosquito
Pesticide Certification Exam 2026
Questions and Answers Graded A+
beneficial roles of Wisconsin's fish populations - Correct answer-help maintain
balanced communities by feeding on aquatic plants, insects and other fish and
produce food for natural predators
sport/recreation
$ for hatcheries, fertilizer, bait
5 examples of where fish control may be warranted - Correct answer-eliminate
undesirable fish from rearing ponds
remove exotics
thin stunted fish to bring population back into balance
eliminate fish from hatchery when disease controls are necessary
treating fish spawning site to avoid overproduction of a certain species
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,why is post treatment management important to long-term success - Correct
answer-when some fish are removed it changes the competition for food and space
and can change dynamics
use integrated management when possible (tactics outside of chemicals)
must carefully weigh all risks and benefits
2 main reasons mosquito management may be warranted - Correct answer-
nuisance and disease concerns
4 stages of mosquito life cycle - Correct answer-eggs
larvae
pupae
adults
mosquito eggs - Correct answer-some have floats, some have spines to catch air
and float
mosquito larvae - Correct answer-4 development stages called "instars"- separated
by molting events
3 distinct body regions: head-thorax-abdomen(8 segments with respiratory
functions)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,mosquito pupae - Correct answer-comma shaped, transitional, only lasts a few days
2 body parts cephalothorax and abdomen
mosquito adults - Correct answer-abdomen, 1 pair wings, 3 pairs legs and
proboscis, distinct head, thorax and abdomen
in order to have an effective mosquito control program, what info do you need to
know about each species? - Correct answer-types and locations of breeding sites, #
generations/year, host preference for females, seasonal populations and rainfall
effects, flight range, common roosting areas, whether the species can transmit
pathogens
different species of mosquitos - Correct answer-Aedes vexans, Aedes triseriatus,
Culex spp
Aedes vexans - Correct answer-most common, inland floodwater mosquito
Aedes Triseraturs - Correct answer-tree hole mosquito, breed in tires, tins and bird
baths
Culex spp - Correct answer-breed in pools high in organic matter, carry WNV and
St Louis encephalitis
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, 3 main mosquito transmitted diseases - Correct answer-la crosse encephalitis -
primarily affects children under 10 years old, can be fatal or cause life long
neurological difficulties
WNV- can cause encephalitis in humans, horses and birds
Dog heart worm
Pesticide - Correct answer-any substance used to directly control pest populations
or reduce pest damage
examples- insecticide, herbicide, piscicide, fungicide
general characteristics of pesticides - Correct answer-some directly kill pests, some
inhibit growth or hormonal function
organic pesticides - Correct answer-contain carbon
inorganic pesticide - Correct answer-synthetic, contain no carbon
microbial pesticide - Correct answer-contains living organism that destroys pest
host ie. bacteria or fungus
different pesticide names - Correct answer-trade name
common name
chemical name
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
Pesticide Certification Exam 2026
Questions and Answers Graded A+
beneficial roles of Wisconsin's fish populations - Correct answer-help maintain
balanced communities by feeding on aquatic plants, insects and other fish and
produce food for natural predators
sport/recreation
$ for hatcheries, fertilizer, bait
5 examples of where fish control may be warranted - Correct answer-eliminate
undesirable fish from rearing ponds
remove exotics
thin stunted fish to bring population back into balance
eliminate fish from hatchery when disease controls are necessary
treating fish spawning site to avoid overproduction of a certain species
©COPYRIGHT 2025, ALL RIGHTS RESERVED 1
,why is post treatment management important to long-term success - Correct
answer-when some fish are removed it changes the competition for food and space
and can change dynamics
use integrated management when possible (tactics outside of chemicals)
must carefully weigh all risks and benefits
2 main reasons mosquito management may be warranted - Correct answer-
nuisance and disease concerns
4 stages of mosquito life cycle - Correct answer-eggs
larvae
pupae
adults
mosquito eggs - Correct answer-some have floats, some have spines to catch air
and float
mosquito larvae - Correct answer-4 development stages called "instars"- separated
by molting events
3 distinct body regions: head-thorax-abdomen(8 segments with respiratory
functions)
©COPYRIGHT 2025, ALL RIGHTS RESERVED 2
,mosquito pupae - Correct answer-comma shaped, transitional, only lasts a few days
2 body parts cephalothorax and abdomen
mosquito adults - Correct answer-abdomen, 1 pair wings, 3 pairs legs and
proboscis, distinct head, thorax and abdomen
in order to have an effective mosquito control program, what info do you need to
know about each species? - Correct answer-types and locations of breeding sites, #
generations/year, host preference for females, seasonal populations and rainfall
effects, flight range, common roosting areas, whether the species can transmit
pathogens
different species of mosquitos - Correct answer-Aedes vexans, Aedes triseriatus,
Culex spp
Aedes vexans - Correct answer-most common, inland floodwater mosquito
Aedes Triseraturs - Correct answer-tree hole mosquito, breed in tires, tins and bird
baths
Culex spp - Correct answer-breed in pools high in organic matter, carry WNV and
St Louis encephalitis
©COPYRIGHT 2025, ALL RIGHTS RESERVED 3
, 3 main mosquito transmitted diseases - Correct answer-la crosse encephalitis -
primarily affects children under 10 years old, can be fatal or cause life long
neurological difficulties
WNV- can cause encephalitis in humans, horses and birds
Dog heart worm
Pesticide - Correct answer-any substance used to directly control pest populations
or reduce pest damage
examples- insecticide, herbicide, piscicide, fungicide
general characteristics of pesticides - Correct answer-some directly kill pests, some
inhibit growth or hormonal function
organic pesticides - Correct answer-contain carbon
inorganic pesticide - Correct answer-synthetic, contain no carbon
microbial pesticide - Correct answer-contains living organism that destroys pest
host ie. bacteria or fungus
different pesticide names - Correct answer-trade name
common name
chemical name
©COPYRIGHT 2025, ALL RIGHTS RESERVED 4
