Forest Entomology MCQs

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5 months ago

What does forest entomology study?

A) Forest ecosystems
B) Tree diseases
C) Insects in forest environments
D) Forest management techniques
Answer: C) Insects in forest environments
Which insect is commonly known for causing “pine beetle” damage in forests?

A) Ips pini
B) Dendroctonus ponderosae
C) Scolytus multistriatus
D) Anoplophora glabripennis
Answer: B) Dendroctonus ponderosae
What is the primary damage caused by “forest tent caterpillars”?

A) Defoliation of trees
B) Wood boring
C) Root damage
D) Bark stripping
Answer: A) Defoliation of trees
Which beetle is known for causing “oak wilt” disease?

A) Scolytus spp.
B) Ips spp.
C) Dendroctonus spp.
D) Anoplophora spp.
Answer: A) Scolytus spp.
What is the primary method for managing “gypsy moth” infestations?

A) Chemical pesticides
B) Biological control
C) Mechanical removal
D) Cultural practices
Answer: B) Biological control
Which insect is known for causing “borer” damage in hardwood trees?

A) Asian longhorned beetle
B) Pine sawfly
C) Tent caterpillar
D) Whitefly
Answer: A) Asian longhorned beetle
What is the primary characteristic of “sap-sucking” insects in forests?

A) Feeding on tree roots
B) Boring into tree trunks
C) Removing sap from tree tissues
D) Defoliating tree canopies
Answer: C) Removing sap from tree tissues
Which insect is a common pest of coniferous trees in North America?

A) Douglas-fir beetle
B) Elm leaf beetle
C) Silverfish
D) Colorado potato beetle
Answer: A) Douglas-fir beetle
What is the primary role of “predatory beetles” in forest ecosystems?

A) Pollination
B) Preying on other insect pests
C) Decomposing organic matter
D) Competing with trees for resources
Answer: B) Preying on other insect pests
Which insect is known for its role in spreading “Dutch elm disease”?

A) Elm bark beetle
B) Pine beetle
C) Locust
D) Cicada
Answer: A) Elm bark beetle
What is the primary impact of “defoliating” insects on forest ecosystems?

A) Increased nutrient availability
B) Reduced tree growth and vitality
C) Improved forest structure
D) Increased soil fertility
Answer: B) Reduced tree growth and vitality
Which insect is known for causing “white pine blister rust”?

A) Cronartium ribicola
B) Ips typographus
C) Scolytus multistriatus
D) Anoplophora glabripennis
Answer: A) Cronartium ribicola
What is the primary control method for “caterpillar” pests in forests?

A) Pesticide application
B) Biological control with parasitoids
C) Mechanical traps
D) Habitat modification
Answer: B) Biological control with parasitoids
Which insect is known for causing “ash borer” damage?

A) Emerald ash borer
B) Asian longhorned beetle
C) Red turpentine beetle
D) Mountain pine beetle
Answer: A) Emerald ash borer
What is the primary method used to monitor insect pest populations in forests?

A) Soil sampling
B) Visual inspections and traps
C) Water analysis
D) Satellite imagery
Answer: B) Visual inspections and traps
Which insect is a common pest of oak trees and causes leaf discoloration and drop?

A) Oak leaf roller
B) Asian longhorned beetle
C) Pine needle scale
D) Boxelder bug
Answer: A) Oak leaf roller
What is the primary damage caused by “wood-boring” insects in forests?

A) Tree defoliation
B) Bark stripping
C) Hollowing out tree trunks
D) Root damage
Answer: C) Hollowing out tree trunks
Which insect is known for causing “pine sawfly” damage?

A) Neodiprion sertifer
B) Monochamus spp.
C) Cerambycid beetles
D) Longhorn beetles
Answer: A) Neodiprion sertifer
What is the primary impact of “boring beetles” on forest trees?

A) Bark damage
B) Root decay
C) Wood decay and structural weakening
D) Leaf drop
Answer: C) Wood decay and structural weakening
Which insect is known to cause damage to “poplar trees”?

A) Cottonwood borer
B) Japanese beetle
C) Scale insects
D) Silverfish
Answer: A) Cottonwood borer
What is the main purpose of using “pheromone traps” in forest entomology?

A) To attract beneficial insects
B) To monitor and manage pest populations
C) To enhance tree growth
D) To repel insect pests
Answer: B) To monitor and manage pest populations
Which insect is known for causing “defoliation” of hardwood trees?

A) Forest tent caterpillar
B) Pine needle scale
C) Elm leaf beetle
D) Whitefly
Answer: A) Forest tent caterpillar
What is the primary characteristic of “sap-sucking” insects?

A) Feeding on tree wood
B) Defoliating tree canopies
C) Removing sap and causing wilting
D) Borning into tree trunks
Answer: C) Removing sap and causing wilting
Which insect is known for causing “gall formation” in forest trees?

A) Gall wasps
B) Bark beetles
C) Tent caterpillars
D) Longhorn beetles
Answer: A) Gall wasps
What is the primary role of “biological control” in managing forest insect pests?

A) Using chemical pesticides
B) Introducing natural enemies to control pests
C) Applying mechanical traps
D) Increasing tree growth rates
Answer: B) Introducing natural enemies to control pests
Which insect is known for causing “pine needle scale” damage?

A) Chionaspis pinifoliae
B) Ips typographus
C) Cerambycid beetles
D) Elm bark beetles
Answer: A) Chionaspis pinifoliae
What is the primary impact of “borer beetles” on forest ecosystems?

A) Tree mortality and wood decay
B) Leaf discoloration and drop
C) Root damage and soil erosion
D) Increased tree growth
Answer: A) Tree mortality and wood decay
Which insect is commonly known for causing “pine wilt disease”?

A) Pinewood nematode
B) Emerald ash borer
C) Asian longhorned beetle
D) Mountain pine beetle
Answer: A) Pinewood nematode
What is the primary method for controlling “invasive forest pests”?

A) Chemical treatments
B) Quarantine and regulatory measures
C) Soil sterilization
D) Increasing tree diversity
Answer: B) Quarantine and regulatory measures
Which insect is known for causing “beetle” damage in birch trees?

A) Bronze birch borer
B) Asian longhorned beetle
C) Pine sawfly
D) Elm leaf beetle
Answer: A) Bronze birch borer
What is the primary function of “insect traps” in forest entomology?

A) To attract and capture insect pests for monitoring
B) To enhance tree growth
C) To control invasive species
D) To increase soil fertility
Answer: A) To attract and capture insect pests for monitoring
Which insect is a known vector of “forest viruses”?

A) Leafhoppers
B) Ants
C) Beetles
D) Butterflies
Answer: A) Leafhoppers
What is the main characteristic of “defoliator” insects in forest ecosystems?

A) They feed on tree leaves and can cause severe defoliation
B) They bore into tree trunks and cause wood decay
C) They remove sap and cause wilting
D) They form galls on tree tissues
Answer: A) They feed on tree leaves and can cause severe defoliation
Which insect is known for causing “beech bark disease”?

A) Beech scale insect
B) Asian longhorned beetle
C) Pine sawfly
D) Gypsy moth
Answer: A) Beech scale insect
What is the primary impact of “wood-boring insects” on forests?

A) Structural weakening and tree mortality
B) Soil erosion and nutrient depletion
C) Leaf drop and defoliation
D) Root decay and wilting
Answer: A) Structural weakening and tree mortality
Which insect is known for causing “spruce budworm” damage?

A) Choristoneura fumiferana
B) Ips typographus
C) Scolytus spp.
D) Cerambycid beetles
Answer: A) Choristoneura fumiferana
What is the primary method for monitoring “insect outbreaks” in forests?

A) Satellite imaging
B) Field surveys and insect traps
C) Soil analysis
D) Tree growth measurements
Answer: B) Field surveys and insect traps
Which insect is known for causing “cherry fruit fly” damage?

A) Rhagoletis cerasi
B) Drosophila melanogaster
C) Ceratitis capitata
D) Anastrepha ludens
Answer: A) Rhagoletis cerasi
What is the primary method for controlling “insect pests” in forest nurseries?

A) Soil fumigation
B) Chemical insecticides
C) Biological control with parasitoids and predators
D) Habitat alteration
Answer: C) Biological control with parasitoids and predators
Which insect is known for causing “black locust borer” damage?

A) Megacyllene robiniae
B) Asian longhorned beetle
C) Pine sawfly
D) Gypsy moth
Answer: A) Megacyllene robiniae
What is the primary role of “parasitic wasps” in forest pest management?

A) Feeding on tree sap
B) Preying on other insect pests
C) Pollinating forest plants
D) Producing honey
Answer: B) Preying on other insect pests
Which insect is known for causing “hardwood borer” damage?

A) Bronze birch borer
B) Pine sawfly
C) Elm leaf beetle
D) Cottonwood borer
Answer: A) Bronze birch borer
What is the primary impact of “sap-sucking” insects on forest trees?

A) Reduced tree vitality and increased susceptibility to diseases
B) Tree mortality and wood decay
C) Defoliation and leaf drop
D) Root damage and soil erosion
Answer: A) Reduced tree vitality and increased susceptibility to diseases
Which insect is known for causing “willow leaf beetle” damage?

A) Plagiodera versicolora
B) Asian longhorned beetle
C) Gypsy moth
D) Pine needle scale
Answer: A) Plagiodera versicolora
What is the primary method for controlling “forest insect pests” using natural enemies?

A) Releasing beneficial insects into the environment
B) Applying chemical pesticides
C) Increasing tree density
D) Soil fumigation
Answer: A) Releasing beneficial insects into the environment
Which insect is known for causing “moth larvae” damage in forests?

A) Lonomia obliqua
B) Pine sawfly
C) Cottonwood borer
D) Bronze birch borer
Answer: A) Lonomia obliqua
What is the primary characteristic of “gall-forming” insects?

A) They cause abnormal growths or galls on plants
B) They bore into wood and cause decay
C) They defoliate trees and shrubs
D) They suck sap from tree tissues
Answer: A) They cause abnormal growths or galls on plants
Which insect is known for causing “scale insect” damage?

A) Coccus spp.
B) Elm leaf beetle
C) Pine needle scale
D) Cottonwood borer
Answer: A) Coccus spp.
What is the primary impact of “tent caterpillars” on forest ecosystems?

A) Defoliation and reduction of tree growth
B) Wood decay and structural weakening
C) Root damage and soil erosion
D) Increased tree vitality
Answer: A) Defoliation and reduction of tree growth
Which insect is known for causing “forest ants” damage in tree seedlings?

A) Formica spp.
B) Fire ants
C) Carpenter ants
D) Leafcutter ants
Answer: A) Formica spp.

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