PCA Insects Questions With 100%
Correct Answers 2025/2026
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Pheromone mating disruption is used in management programs in Califonria to control -
✓✓-codling moth
which type of stink bug is pictured above - ✓✓-red shouldered stink bug
How do pierce sucking mouth parts differ from other types of mouthparts? - ✓✓-
mandibles and maxillae are modified into stylets
Which type of insect is most often killed when it feeds on plants treated with pesticides?
- ✓✓-Leafhoppers
Whiteflies are the primary targets for which of these natural enemies? - ✓✓-Encasria
formasa
Hyposoter spp. are parasites of blank of different types of blank - ✓✓-caterpillars
Transgenic plants for control of arthropod pests have been developed using blank - ✓
✓-bacillus thuringiensis
As originally devised the main objective of sterile insect technique is - ✓✓-eradication
Which statement describes an invasive species? - ✓✓-a non-native species that is
likely to cause harm
Which insect mortality factor is sometimes density-independent? - ✓✓-application of
pesticides
Which of these insects is an example of a predator? - ✓✓-Damsel bug
Most adult slugs and snails feed on which of these? - ✓✓-Both living and dead matter
Which of these outcomes can be reduced by harvesting alfalfa hay a few days early? -
✓✓-presence of virus vectoring aphids
Stippling is most common with insects that have? - ✓✓-piercing sucking mouthparts
An insects exoskeleton protects it from? - ✓✓-Desiccation
The body regions of a spider include? - ✓✓-abdomen and cephalothorax
The photo above is picturing the insect's? - ✓✓-Ovipositor
Which statement describes the difference between wing development in nymphs and
larvae? - ✓✓-Wings develop outside the body for larvae