CPA Pest Identification & Control Techniques 2

Question 1

Which structural characteristic most reliably distinguishes a termite swarmer from an ant swarmer?

Accepted Answer

Termites have equal-length wing pairs and a broad waist

Answer

Termite swarmers have two pairs of equal-length wings and a broad, unsegmented waist, whereas ant swarmers have a pinched waist and elbowed antennae.

Question 2

A grower reports yellowing leaves, stunted growth, and finds small, soft-bodied insects clustered on new growth. These insects are most likely:

Accepted Answer

Aphids

Answer

Aphids are soft-bodied, cluster on new growth, and cause yellowing and stunting by extracting plant sap and injecting toxins.

Question 3

The Integrated Pest Management (IPM) approach prioritizes control methods in which order?

Accepted Answer

Prevention and cultural practices first, then biological and chemical as needed

Answer

IPM prioritizes prevention and cultural practices, followed by biological and mechanical controls, with chemical pesticides used only as a last resort.

Question 4

Spider mites are best identified under magnification by which feature?

Accepted Answer

Eight legs, two body segments, and fine webbing

Answer

Spider mites are arachnids with eight legs, two body segments (cephalothorax and abdomen), and typically produce fine silk webbing on plant surfaces.

Question 5

Which nematode species is commercially used to control soil-dwelling insect pests such as white grubs?

Accepted Answer

Steinernema carpocapsae

Answer

Steinernema carpocapsae is an entomopathogenic nematode used as a biological control agent against soil-dwelling insect larvae including white grubs.

(CPA) Certified Pesticide Applicator Practice Test

(CPA) Certified Pesticide Applicator Practice Test

CPA Pest Identification & Control Techniques 2