Question 1

Which signs indicate a rodent infestation in a food facility?

Accepted Answer

Droppings, gnaw marks, nesting materials, and greasy rub marks along walls are classic signs of rodent infestation.

Question 2

What is the term for the oily, dark smear marks left along walls and baseboards by rodents?

Accepted Answer

These marks are called rub marks or grease marks, caused by the oils and dirt in a rodent's fur as it repeatedly travels the same path.

Question 3

Which pest is most commonly associated with leaving behind a sweet, musty odor as a sign of infestation?

Accepted Answer

Cockroaches produce a sweet, musty or oily odor, especially when populations are large.

Question 4

What life stage of flies is most likely found in garbage or moist organic waste inside a food facility?

Accepted Answer

Fly larvae (maggots) are found in garbage, moist organic waste, and decaying food, indicating an active breeding site.

Question 5

Which stored-product pest is recognized by the fine webbing or silken threads it leaves inside dry goods like flour or grains?

Accepted Answer

Indian meal moths (and some grain moths) leave silken threads and webbing inside infested dry goods such as flour, cereals, and grains.

Pest Control – Food Handler Certification

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