stored product pests

Question 1

What are the 4 different types of stored products pests?

Answer 1

indian meal moth
flour beetles
dermestid beetles (khapra beetle)
saw-toothed grain beetle

Question 2

Type of stored product pest that is less common than beetles, but able to readily infest all farinaceous products with larvae:

Answer 2

indian meal moth

Question 3

How many eggs does a female indian meal moth lay and how long until it reaches to the adult stage?

Answer 3

100-300 eggs

6-8 weeks from egg to adult stage

Question 4

What type of stored product pest spins webbing and have a copper luster on outer 2/3rds of wings?

Answer 4

indian meal moth larvae

Question 5

What type of stored product pest is confused with red flour beetle and called “tribolium”, shiny, flattened, reddish brown?

Answer 5

flour beetles

Question 6

What type of stored product pest has head and upper thorax densely covered with minute pitting with ridged wings and females lay an average of 400 eggs with sticky secretion to adhere to sacks and boxes?

Answer 6

flour beetles

Question 7

What type of stored product pest is medically important due to its hairs on outside of larvae, oval-shaped, reddish-brown?

Answer 7

dermestid beetles (khapra beetles)

Question 8

What do Khapra beetle larvae cause and why is it a medically important pest?

Answer 8

hairs on outside of larvae can cause intestinal trauma, eye irritation dermatitis, and allergic reaction

medically important because it is a quarantinable insect

Question 9

How long do dermestid beetle larvae survive without food?

Answer 9

several years, resistant to starvation

Question 10

What is the most commonly found stored product pest aboard a ship?

Answer 10

Saw-toothed grain beetle

Question 11

What type of stored product pest is slender, flat brown, 2.5mm, thorax has six projections on each side?

Answer 11

saw-toothed grain beetle,

with 6 saw-toothed projections on thorax

Question 12

How many eggs can a saw-toothed grain beetle lay and how long for them to reach the adult stage?

Answer 12

280 eggs in lifetime

one month adult life, live 6-10months

Question 13

What are the control methods for stored product pests?

Answer 13

• Survey food items with high insect infestation potential
• observe food samples pallets for possible insects
• conduct routine inspections

Question 14

What are the 10 food items with high insect infestation potential?

Answer 14

Grits
Cornmeal
Farina
Dry mix
Macaroni
Barley 
Cookie/cake mix
Flour
Dry beans and peas
Read-to-eat cereals

Question 15

What are the procedures for conducting and reporting stored product pest surveys?

Answer 15

1. monthly routine sanitation inspections by MDR including food storage areas
2. Pierside inspections
3. Storeroom inspections

Question 16

What should be done during monthly rouitne sanitation inspection of food storage spaces?

Answer 16

• Check high insect infestation potential items
• Ensure broken containers, torn sacks, and spilled food are removed
• Stock rotation (like FIFO)

Question 17

When should insect infested stored product be removed immediately and placed in a freezer space?

Answer 17

items with <7 beetles per pound are found

**other than dermestid species and flour beetles

Question 18

How long do you freeze products with small quantities of infestation of <7 beetles (other than dermestid + flour beetles)?
Why should you freeze it?

Answer 18

3 days, to kill many of the insects which can then be shifted out of food material along with cast skins

Question 19

What is required to kill all stages of the insects and items are found with small quantities of infestation?

Answer 19

X2 wks @ 0 F

Question 20

When is a stored product considered unfit for consumption?

Answer 20

1 living/dead dermestid larva found,
3 flour beetle adults or larvae per pound,
or 7 insects of any kind per pound

Question 21

What proper action should you take if products are found to be unfit for consumption?

Answer 21

dispose of the product