Illinois General Standards Pesticide
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Pest - ✔✔any insect, mite, rodent, weed, disease etc that is injurious to the health of
humans, animals, plants, or the environment
Goal of IPM - ✔✔keep pests below economic and aesthetic injury level, avoid adverse
effects on humans, wildlife, environment
economic injury level - ✔✔breakeven point at which cost of pest control equals revenue
loss caused by pest
economic threshold level - ✔✔number of pests per plant or amount of damage to plant
at which control measures should begin
aesthetic injury level - ✔✔number of pests that might cause enough damage to the
appearance of a plant to warrant cost of control - might vary
key to successful IPM - ✔✔monitoring pest pop and plant conditions
cultural control - ✔✔improve crop health
Katelyn Whitman, All Rights Reserved © 2025 1
, mechanical control - ✔✔physical pest elimination
biological control - ✔✔living organisms reduce pests
chemical control - ✔✔chemical agents reduce pests
preventative control - ✔✔prevent entry and spread
pesticide failure - ✔✔wrong type, wrong pest stage, wrong area, pest resistance
insects - ✔✔exoskeleton, 3 pairs jointed legs, 3 body region
insect body regions - ✔✔head, thorax, abdomen
incomplete development - ✔✔3 life stages - eggs, nymph, adult
complete development - ✔✔4 life stages - egg, larvae, pupae, adult
mites - ✔✔spider-like, 4 pairs of legs
spiders - ✔✔4 pairs of legs, 2 body regions
crustaceans - ✔✔7 pairs of legs ex) pillbugs
birds - ✔✔all protected except non-native ex) starlings, house sparrows
mammals - ✔✔protected except rats, mice, ground squirrels
noninfectious disease - ✔✔cannot be transferred pest to pest or plant to plant, often
result of unfavorable conditions
Katelyn Whitman, All Rights Reserved © 2025 2
Exam Questions and Answers 100%
Pass
Pest - ✔✔any insect, mite, rodent, weed, disease etc that is injurious to the health of
humans, animals, plants, or the environment
Goal of IPM - ✔✔keep pests below economic and aesthetic injury level, avoid adverse
effects on humans, wildlife, environment
economic injury level - ✔✔breakeven point at which cost of pest control equals revenue
loss caused by pest
economic threshold level - ✔✔number of pests per plant or amount of damage to plant
at which control measures should begin
aesthetic injury level - ✔✔number of pests that might cause enough damage to the
appearance of a plant to warrant cost of control - might vary
key to successful IPM - ✔✔monitoring pest pop and plant conditions
cultural control - ✔✔improve crop health
Katelyn Whitman, All Rights Reserved © 2025 1
, mechanical control - ✔✔physical pest elimination
biological control - ✔✔living organisms reduce pests
chemical control - ✔✔chemical agents reduce pests
preventative control - ✔✔prevent entry and spread
pesticide failure - ✔✔wrong type, wrong pest stage, wrong area, pest resistance
insects - ✔✔exoskeleton, 3 pairs jointed legs, 3 body region
insect body regions - ✔✔head, thorax, abdomen
incomplete development - ✔✔3 life stages - eggs, nymph, adult
complete development - ✔✔4 life stages - egg, larvae, pupae, adult
mites - ✔✔spider-like, 4 pairs of legs
spiders - ✔✔4 pairs of legs, 2 body regions
crustaceans - ✔✔7 pairs of legs ex) pillbugs
birds - ✔✔all protected except non-native ex) starlings, house sparrows
mammals - ✔✔protected except rats, mice, ground squirrels
noninfectious disease - ✔✔cannot be transferred pest to pest or plant to plant, often
result of unfavorable conditions
Katelyn Whitman, All Rights Reserved © 2025 2
