PCA Insects Exam Newest 2026-2027 With
Complete 100 Questions And Correct Detailed
Answers| Brand New Version!
Pheromone mating disruption is used in management programs in CA
to control:
A. Codling Moth
B. Red Imported Fire Ant
C. Pear Psylla - ANSWER-A. codling moth
Which type of stink bug is pictured above?
A. Red shoulder stink bug
B. Green stink bug
C. Consperse stink bug - ANSWER-Red shoulder stink bug
How do pierce-sucking mouthparts differ from other types of
mouthparts?
A. Mandibles & Maxillae are curled protectively around stylets
B. Maxillae are reduced or absent and mandibles form stylets
C. Mandibles and Maxillae are modified into stylets - ANSWER-
Mandibles and maxillae are modified into stylets
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,Which type of insect is most often killed when it feeds on plants treated
with pesticides?
A. Stoneflies
B. Leafhoppers
C. Katydids - ANSWER-Leafhoppers
Whiteflies are the primary targets for which of these natural enemies?
A. Aphids
B. Caterpillars
C. Armored Scales - ANSWER-Encasria formasa
Hyposoter spp. Are parasites of _____ of different types of:
A. Aphids
B. Caterpillars
C. Armored Scales - ANSWER-Caterpillars
Transgenic plants for control of arthropod pests have been developed
using:
Bacilllus thuringiensis - ANSWER-Bacillus thuringiensis
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, As originally devised the main objective of the sterile insect technique
is:
A. Suppression
B. Prevention
C. Eradication - ANSWER-eradication
Which statement describes an invasive species?
A. A non-native species that is likely to cause harm
B. A native species that can cause harm after non native species are
controlled
C. A species whose population rises quickly it causes harm - ANSWER-A
non-native species that is likely to cause harm
Which insect mortality factor is sometimes density-independent?
A. Action of natural enemies
B. Lack of shelter
C. Application of pesticides - ANSWER-Application of pesticides
Which of these insects is an example of a predator?
A. Tachinid fly
B. Damsel bug
C. Ichneumon wasp - ANSWER-Damsel bug
3|Page
Complete 100 Questions And Correct Detailed
Answers| Brand New Version!
Pheromone mating disruption is used in management programs in CA
to control:
A. Codling Moth
B. Red Imported Fire Ant
C. Pear Psylla - ANSWER-A. codling moth
Which type of stink bug is pictured above?
A. Red shoulder stink bug
B. Green stink bug
C. Consperse stink bug - ANSWER-Red shoulder stink bug
How do pierce-sucking mouthparts differ from other types of
mouthparts?
A. Mandibles & Maxillae are curled protectively around stylets
B. Maxillae are reduced or absent and mandibles form stylets
C. Mandibles and Maxillae are modified into stylets - ANSWER-
Mandibles and maxillae are modified into stylets
1|Page
,Which type of insect is most often killed when it feeds on plants treated
with pesticides?
A. Stoneflies
B. Leafhoppers
C. Katydids - ANSWER-Leafhoppers
Whiteflies are the primary targets for which of these natural enemies?
A. Aphids
B. Caterpillars
C. Armored Scales - ANSWER-Encasria formasa
Hyposoter spp. Are parasites of _____ of different types of:
A. Aphids
B. Caterpillars
C. Armored Scales - ANSWER-Caterpillars
Transgenic plants for control of arthropod pests have been developed
using:
Bacilllus thuringiensis - ANSWER-Bacillus thuringiensis
2|Page
, As originally devised the main objective of the sterile insect technique
is:
A. Suppression
B. Prevention
C. Eradication - ANSWER-eradication
Which statement describes an invasive species?
A. A non-native species that is likely to cause harm
B. A native species that can cause harm after non native species are
controlled
C. A species whose population rises quickly it causes harm - ANSWER-A
non-native species that is likely to cause harm
Which insect mortality factor is sometimes density-independent?
A. Action of natural enemies
B. Lack of shelter
C. Application of pesticides - ANSWER-Application of pesticides
Which of these insects is an example of a predator?
A. Tachinid fly
B. Damsel bug
C. Ichneumon wasp - ANSWER-Damsel bug
3|Page
