Indiana Commercial Pesticide Applicator
Category 2 – Forest Pest Management
Examination Practice Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which of the following is a common symptom of gypsy moth
infestation?
A. Needle drop on pines
B. Oak defoliation
C. Sooty mold on leaves
D. Leaf galls on maple
B. Oak defoliation
Gypsy moth caterpillars primarily feed on oak leaves, causing
significant defoliation in infested forests.
2. What is the most effective timing for controlling bark beetle
infestations?
, A. Late summer
B. Early spring before egg hatch
C. Midwinter
D. After tree mortality
B. Early spring before egg hatch
Treating trees before eggs hatch targets larvae before they enter the
bark, improving control success.
3. Which of the following is a nonchemical method for managing forest
pests?
A. Pheromone traps
B. Aerial pesticide application
C. Soil insecticides
D. Foliar sprays
A. Pheromone traps
Pheromone traps can monitor or disrupt pest populations without
chemicals, a key integrated pest management strategy.
4. The primary host of the emerald ash borer is:
A. Oak
B. Ash
C. Maple
D. Pine
B. Ash
, Emerald ash borer larvae feed on ash trees, causing girdling and
eventual tree death.
5. Which agent is used to biologically control gypsy moth populations?
A. Bacillus thuringiensis kurstaki (Btk)
B. Malathion
C. Carbaryl
D. Chlorpyrifos
A. Bacillus thuringiensis kurstaki (Btk)
Btk is a microbial insecticide specific to caterpillars, including gypsy
moth larvae, and is environmentally safe.
6. What is the primary damage symptom of pine wilt disease?
A. Wilting and browning needles
B. Leaf spots
C. Resin oozing from trunks
D. Root galls
A. Wilting and browning needles
Pine wilt nematodes disrupt water flow, causing rapid needle
browning and tree death.
7. Which of the following practices helps prevent the spread of invasive
forest pests?
A. Moving firewood between regions
B. Planting monocultures
C. Quarantines and regulated movement of wood
, D. Late-season harvesting
C. Quarantines and regulated movement of wood
Regulatory measures reduce human-assisted dispersal of pests like
emerald ash borer and gypsy moth.
8. What type of pesticide formulation is commonly used for aerial
application in forests?
A. Emulsifiable concentrates
B. Granules
C. Microencapsulated formulations
D. Wettable powders
A. Emulsifiable concentrates
Emulsifiable concentrates mix with water and spray easily from
aircraft for broad forest coverage.
9. Which symptom indicates southern pine beetle attack?
A. Pitch tubes on the bark
B. White powdery coating on needles
C. Leaf galls
D. Browning of leaf tips
A. Pitch tubes on the bark
Southern pine beetles bore into the bark, producing small resin
masses called pitch tubes.
10. Which tool is most effective for detecting early gypsy moth
populations?
Category 2 – Forest Pest Management
Examination Practice Questions And Correct
Answers (Verified Answers) Plus Rationales
2026 Q&A | Instant Download Pdf
1. Which of the following is a common symptom of gypsy moth
infestation?
A. Needle drop on pines
B. Oak defoliation
C. Sooty mold on leaves
D. Leaf galls on maple
B. Oak defoliation
Gypsy moth caterpillars primarily feed on oak leaves, causing
significant defoliation in infested forests.
2. What is the most effective timing for controlling bark beetle
infestations?
, A. Late summer
B. Early spring before egg hatch
C. Midwinter
D. After tree mortality
B. Early spring before egg hatch
Treating trees before eggs hatch targets larvae before they enter the
bark, improving control success.
3. Which of the following is a nonchemical method for managing forest
pests?
A. Pheromone traps
B. Aerial pesticide application
C. Soil insecticides
D. Foliar sprays
A. Pheromone traps
Pheromone traps can monitor or disrupt pest populations without
chemicals, a key integrated pest management strategy.
4. The primary host of the emerald ash borer is:
A. Oak
B. Ash
C. Maple
D. Pine
B. Ash
, Emerald ash borer larvae feed on ash trees, causing girdling and
eventual tree death.
5. Which agent is used to biologically control gypsy moth populations?
A. Bacillus thuringiensis kurstaki (Btk)
B. Malathion
C. Carbaryl
D. Chlorpyrifos
A. Bacillus thuringiensis kurstaki (Btk)
Btk is a microbial insecticide specific to caterpillars, including gypsy
moth larvae, and is environmentally safe.
6. What is the primary damage symptom of pine wilt disease?
A. Wilting and browning needles
B. Leaf spots
C. Resin oozing from trunks
D. Root galls
A. Wilting and browning needles
Pine wilt nematodes disrupt water flow, causing rapid needle
browning and tree death.
7. Which of the following practices helps prevent the spread of invasive
forest pests?
A. Moving firewood between regions
B. Planting monocultures
C. Quarantines and regulated movement of wood
, D. Late-season harvesting
C. Quarantines and regulated movement of wood
Regulatory measures reduce human-assisted dispersal of pests like
emerald ash borer and gypsy moth.
8. What type of pesticide formulation is commonly used for aerial
application in forests?
A. Emulsifiable concentrates
B. Granules
C. Microencapsulated formulations
D. Wettable powders
A. Emulsifiable concentrates
Emulsifiable concentrates mix with water and spray easily from
aircraft for broad forest coverage.
9. Which symptom indicates southern pine beetle attack?
A. Pitch tubes on the bark
B. White powdery coating on needles
C. Leaf galls
D. Browning of leaf tips
A. Pitch tubes on the bark
Southern pine beetles bore into the bark, producing small resin
masses called pitch tubes.
10. Which tool is most effective for detecting early gypsy moth
populations?
