CPA Pest Identification and Management 2

Question 1

Which characteristic best distinguishes a spider from an insect during field identification?

Accepted Answer

Spiders have 8 legs and 2 body segments

Answer

Spiders are arachnids with 8 legs and 2 body segments (cephalothorax and abdomen), while insects have 6 legs and 3 body segments.

Question 2

A grower reports yellowing leaves with fine webbing on the undersides. The most likely pest is:

Accepted Answer

Two-spotted spider mite

Answer

Two-spotted spider mites produce fine webbing on leaf undersides and cause stippling and yellowing through cell-content feeding.

Question 3

Which of the following is an example of a pheromone trap used in pest monitoring?

Accepted Answer

Delta trap with a sex-attractant lure for moths

Answer

Delta traps baited with sex-attractant pheromone lures are used to monitor specific moth species by attracting males.

Question 4

When scouting for soybean aphids, a pest manager counts the number of aphids per plant. This practice is called:

Accepted Answer

Sequential sampling

Answer

Sequential sampling involves counting organisms per sampling unit and stopping when the cumulative count crosses a decision boundary, reducing sampling effort.

Question 5

Glassy-winged sharpshooter is a significant pest primarily because it:

Accepted Answer

Vectors Xylella fastidiosa, causing Pierce's disease in grapevines

Answer

The glassy-winged sharpshooter transmits the bacterium Xylella fastidiosa, which causes Pierce's disease — a lethal threat to grapevines.

(CPA) Certified Pesticide Applicator Practice Test

(CPA) Certified Pesticide Applicator Practice Test

CPA Pest Identification and Management 2