Connecticut Category H — Forestry Pest Control
Examination Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
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1. What is the primary purpose of integrated pest management (IPM)
in forestry?
A. Eliminate all insects in the forest
B. Use chemicals only for pest control
C. Reduce pest populations to acceptable levels using multiple
strategies
D. Prevent tree growth
Answer: C
IPM focuses on combining biological, cultural, mechanical, and
chemical methods to manage pests at acceptable levels rather than
total elimination.
2. Which insect is a major defoliator of hardwood forests in North
America?
A. Emerald ash borer
B. Gypsy moth
C. Bark beetle
D. Pine sawfly
Answer: B
Gypsy moth larvae feed heavily on leaves of hardwood trees, often
causing large-scale defoliation.
,3. What is the most common mode of action for systemic insecticides
in trees?
A. Contact killing on bark only
B. Inhalation through stomata
C. Absorption and movement through vascular tissue
D. Soil sterilization
Answer: C
Systemic insecticides are absorbed and transported through xylem or
phloem to protect the entire tree.
4. Which pest is best known for attacking and killing ash trees?
A. Japanese beetle
B. Emerald ash borer
C. Pine beetle
D. Tent caterpillar
Answer: B
The emerald ash borer is an invasive beetle responsible for
widespread ash tree mortality.
5. What is a key sign of bark beetle infestation?
A. Leaf curling
B. Resin or pitch tubes on bark
C. Yellow flowers on branches
D. Root decay only
,Answer: B
Pitch tubes are resin masses produced by trees defending against bark
beetle attacks.
6. Which stage of insect development causes the most feeding
damage in defoliators?
A. Egg stage
B. Larval stage
C. Pupal stage
D. Adult stage
Answer: B
Larvae are the primary feeding stage in most defoliating insects.
7. What type of pesticide application targets insects inside tree
trunks?
A. Foliar spray
B. Soil drench
C. Trunk injection
D. Broadcast spraying
Answer: C
Trunk injections deliver pesticide directly into the vascular system of
trees.
8. Which organism is a common biological control agent in forestry?
A. Lady beetle
B. Earthworm
, C. Deer
D. Moss
Answer: A
Lady beetles feed on aphids and other soft-bodied pests.
9. What condition favors outbreaks of forest insect pests?
A. High species diversity
B. Monoculture stands
C. Wet soil only
D. Frequent fire cycles
Answer: B
Monocultures lack diversity and are more vulnerable to pest
outbreaks.
10. What is the main damage caused by bark beetles?
A. Leaf chewing
B. Root destruction
C. Disruption of nutrient flow in trees
D. Flower damage
Answer: C
Bark beetles feed under bark, interrupting nutrient and water
transport.
11. Which pesticide type is most commonly used for forest pest aerial
spraying?
Examination Questions And Correct Answers
(Verified Answers) Plus Rationales 2026 Q&A |
Instant Download Pdf
1. What is the primary purpose of integrated pest management (IPM)
in forestry?
A. Eliminate all insects in the forest
B. Use chemicals only for pest control
C. Reduce pest populations to acceptable levels using multiple
strategies
D. Prevent tree growth
Answer: C
IPM focuses on combining biological, cultural, mechanical, and
chemical methods to manage pests at acceptable levels rather than
total elimination.
2. Which insect is a major defoliator of hardwood forests in North
America?
A. Emerald ash borer
B. Gypsy moth
C. Bark beetle
D. Pine sawfly
Answer: B
Gypsy moth larvae feed heavily on leaves of hardwood trees, often
causing large-scale defoliation.
,3. What is the most common mode of action for systemic insecticides
in trees?
A. Contact killing on bark only
B. Inhalation through stomata
C. Absorption and movement through vascular tissue
D. Soil sterilization
Answer: C
Systemic insecticides are absorbed and transported through xylem or
phloem to protect the entire tree.
4. Which pest is best known for attacking and killing ash trees?
A. Japanese beetle
B. Emerald ash borer
C. Pine beetle
D. Tent caterpillar
Answer: B
The emerald ash borer is an invasive beetle responsible for
widespread ash tree mortality.
5. What is a key sign of bark beetle infestation?
A. Leaf curling
B. Resin or pitch tubes on bark
C. Yellow flowers on branches
D. Root decay only
,Answer: B
Pitch tubes are resin masses produced by trees defending against bark
beetle attacks.
6. Which stage of insect development causes the most feeding
damage in defoliators?
A. Egg stage
B. Larval stage
C. Pupal stage
D. Adult stage
Answer: B
Larvae are the primary feeding stage in most defoliating insects.
7. What type of pesticide application targets insects inside tree
trunks?
A. Foliar spray
B. Soil drench
C. Trunk injection
D. Broadcast spraying
Answer: C
Trunk injections deliver pesticide directly into the vascular system of
trees.
8. Which organism is a common biological control agent in forestry?
A. Lady beetle
B. Earthworm
, C. Deer
D. Moss
Answer: A
Lady beetles feed on aphids and other soft-bodied pests.
9. What condition favors outbreaks of forest insect pests?
A. High species diversity
B. Monoculture stands
C. Wet soil only
D. Frequent fire cycles
Answer: B
Monocultures lack diversity and are more vulnerable to pest
outbreaks.
10. What is the main damage caused by bark beetles?
A. Leaf chewing
B. Root destruction
C. Disruption of nutrient flow in trees
D. Flower damage
Answer: C
Bark beetles feed under bark, interrupting nutrient and water
transport.
11. Which pesticide type is most commonly used for forest pest aerial
spraying?
