Virginia Category 2a — Forest Pest
Control Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
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1. What is the primary goal of forest pest management?
A. Eliminate all insects
B. Maximize timber production regardless of cost
C. Reduce pest damage below economic injury levels
D. Prevent all tree mortality
Answer: C
Rationale: Forest pest management focuses on keeping pest
populations below levels that cause economically significant
damage, not total eradication.
2. Which insect is a major defoliator of hardwood forests in Virginia?
A. Emerald ash borer
B. Gypsy moth (spongy moth)
, C. Bark beetle
D. Termite
Answer: B
Rationale: Spongy moth larvae feed on hardwood leaves, causing
widespread defoliation.
3. Integrated Pest Management (IPM) emphasizes:
A. Routine pesticide spraying
B. Combining biological, cultural, and chemical controls
C. Chemical control only
D. No intervention
Answer: B
Rationale: IPM integrates multiple control strategies to reduce pest
populations sustainably.
4. The best time to detect bark beetle infestations is:
A. Winter only
B. During snowfall
C. During early attack when foliage begins to fade
D. After tree death
Answer: C
Rationale: Early detection improves management effectiveness
before tree mortality.
,5. Which organism is a biological control agent?
A. Herbicide
B. Fungicide
C. Parasitic wasp
D. Insecticide
Answer: C
Rationale: Parasitic wasps naturally reduce pest insect populations.
6. What does “economic threshold” mean?
A. Pest eradication level
B. Pest density at which control is justified
C. Maximum pesticide dose
D. Forest density limit
Answer: B
Rationale: It is the pest level at which damage costs exceed control
costs.
7. Which pest attacks eastern hemlock trees in Virginia?
A. Japanese beetle
B. Hemlock woolly adelgid
C. Tent caterpillar
D. Aphid
Answer: B
, Rationale: Hemlock woolly adelgid feeds on sap, weakening hemlock
trees.
8. A sign of bark beetle infestation includes:
A. Leaf curling
B. Boring dust (frass) on bark
C. Root swelling
D. Flower loss
Answer: B
Rationale: Frass indicates beetle tunneling under bark.
9. Which pesticide type targets insects specifically?
A. Herbicide
B. Fungicide
C. Insecticide
D. Rodenticide
Answer: C
Rationale: Insecticides are designed to control insect pests.
10. The most important factor influencing pest outbreaks is:
A. Soil color
B. Tree height
C. Weather conditions
D. Moon phase
Answer: C
Control Exam Practice Questions And
Correct Answers (Verified Answers) Plus
Rationales 2026 Q&A | Instant
Download Pdf
1. What is the primary goal of forest pest management?
A. Eliminate all insects
B. Maximize timber production regardless of cost
C. Reduce pest damage below economic injury levels
D. Prevent all tree mortality
Answer: C
Rationale: Forest pest management focuses on keeping pest
populations below levels that cause economically significant
damage, not total eradication.
2. Which insect is a major defoliator of hardwood forests in Virginia?
A. Emerald ash borer
B. Gypsy moth (spongy moth)
, C. Bark beetle
D. Termite
Answer: B
Rationale: Spongy moth larvae feed on hardwood leaves, causing
widespread defoliation.
3. Integrated Pest Management (IPM) emphasizes:
A. Routine pesticide spraying
B. Combining biological, cultural, and chemical controls
C. Chemical control only
D. No intervention
Answer: B
Rationale: IPM integrates multiple control strategies to reduce pest
populations sustainably.
4. The best time to detect bark beetle infestations is:
A. Winter only
B. During snowfall
C. During early attack when foliage begins to fade
D. After tree death
Answer: C
Rationale: Early detection improves management effectiveness
before tree mortality.
,5. Which organism is a biological control agent?
A. Herbicide
B. Fungicide
C. Parasitic wasp
D. Insecticide
Answer: C
Rationale: Parasitic wasps naturally reduce pest insect populations.
6. What does “economic threshold” mean?
A. Pest eradication level
B. Pest density at which control is justified
C. Maximum pesticide dose
D. Forest density limit
Answer: B
Rationale: It is the pest level at which damage costs exceed control
costs.
7. Which pest attacks eastern hemlock trees in Virginia?
A. Japanese beetle
B. Hemlock woolly adelgid
C. Tent caterpillar
D. Aphid
Answer: B
, Rationale: Hemlock woolly adelgid feeds on sap, weakening hemlock
trees.
8. A sign of bark beetle infestation includes:
A. Leaf curling
B. Boring dust (frass) on bark
C. Root swelling
D. Flower loss
Answer: B
Rationale: Frass indicates beetle tunneling under bark.
9. Which pesticide type targets insects specifically?
A. Herbicide
B. Fungicide
C. Insecticide
D. Rodenticide
Answer: C
Rationale: Insecticides are designed to control insect pests.
10. The most important factor influencing pest outbreaks is:
A. Soil color
B. Tree height
C. Weather conditions
D. Moon phase
Answer: C
