What are the most common stored product pests?
The most common stored product pests are the red and
confused flour beetle, the saw toothed and merchant
grain beetle, and the Indian meal moth.
What do the red and confused
flour beetle look like?
The adult beetle is about 3 mm long and is
reddish-brown. The confused flour beetle is often
mistaken with the red flour beetle but the antennae of
the confused flour beetle is gradually enlarged whereas
the red flour beetle's antenna enlarges abruptly to form
a three segmented club. The confused flour beetle is
more common than the red flour beetle.
Where would I find the confused
flour beetle?
The confused flour beetle is commonly found in cereal
products, dried fruits, spices and similar products.
What are the confused flour
beetle's breeding habits?
Each female flour beetle may lay as many as 300 to 400
eggs in her three-year life time.

What do the merchant and
saw-toothed grain beetle look like?
These grain beetles are a small brownish beetle
approximately 3 mm long. They are easily distinguished
by the six saw-like projections on each side of the
thorax. The saw-toothed and merchant can be
distinguished by the width of the saw projection on
either side of the head. The saw-toothed grain beetle is
the most common of the two.
Where would I find the
saw-toothed grain beetle?
This grain beetle is found in such foods as breakfast
cereals, flour, dried fruits, macaroni, dried meats,
chocolate and other similar material. They have the
ability to penetrate any cracks and crevices to get into
packaged food.
What does an Indian meal moth
look like?
Adults of the Indian meal moth have a wing span of about
1.5 cm. The front wings are tan the front one-third are
reddish brown with a copper luster on the back
two-thirds. The larva is a dirty white color with a
sometimes green to pink tint.
Where would I find the Indian
meal moth?
The larva feeds on all kinds of grains, seeds, powdered
milk, dog food, crackers, candy, nuts chocolate and
dried fruit.
What are the breeding habits of
the Indian meal moth?
The adult female lays her eggs on the larval food
producing as many as 400 in 18 days. There are usually
four to six generations per year depending on the food
supply and temperature conditions.
How can I prevent an
infestation of stored product pests?
Regular inspection of stored products in the home or
food plant and inspection of such products prior to
entry into the facility should take place. This
inspection and disposal of infested product along with
good housekeeping practices will limit chance of
infestation.
If I have an infestation of
stored product pests, what can I do to eliminate them?
Your local Sound Pest Control
office has products developed for the control of stored
product pests. Depending on the severity of the
infestation, a single control measure may not be
effective and an integrated program conducted by an
Sound Pest Control
service technician will be required.