Pantry pests, also known as 'Stored Product Pests', are
insects, such as beetles and moths, that tend to infest dried food
products. These products often include flour, cereal, dry pasta, dry
pet food, powdered milk, cornstarch, crackers, spices, bread, bird
seed, dried nuts, and fruit, but can be any dried stored food
product.
While they’re primarily a problem for food-processing plants and
supermarkets, they can nevertheless cause a lot of problems in
residential homes. Read on to find out more about the pantry pests
threatening to invade your pantry, the problems they cause, and how
to stop them.
Cigarette beetles are yellowish to reddish-brown in color and about
1/10 inch long. Oval in shape, this pest appears hunchbacked because
its head is bent downward. The drugstore beetle’s serrate antennae are
smooth and end in a 3-segmented club.
As their name implies, the cigarette beetle prefers to infest dried
tobacco, but will also feed on book bindings and stored products found
in homes. A female cigarette beetle can lay up to 100 eggs on the food
products from which the larvae will feed.The development time from egg
to adult is six to eight weeks and adults live two to four weeks. The
larvae typically feed on a variety of pet foods, including dried and
processed foods such as grain, pasta, raisins, rice, seeds and even
cockroach poison. Cigarette beetles will sometimes feed on furniture
stuffing and dried floral arrangements as well.
Cigarette beetles are active all year long but prefer temperatures over 65 degrees and low-lit areas, but can be pushed indoors when these conditions are not met outside. Inside, they will infest storage areas that contain dried tobacco. They will also invade homes to feed on cereal, flour and other stored products that are a staple of most pantries. Although known for feeding on cured tobacco, cigarettes and cigars, in the home this beetle is most commonly found in pet foods, cereals, nuts, and candy. It may also infest dried pepper arrangements, wreaths, and spices such as chili powder or paprika.
Drugstore beetles are reddish-brown in color, about 1/8 inch long,
and oval-shaped. They are considered pantry pests and commonly infest
a wide variety of foods, including those made from dried plant or
animal products. Drugstore beetles are named for their tendency to
feed on pharmacy drugs, but they will also infest spices, coffee beans,
seeds, dried pet foods, bread, and flour products such as cereals,
cookies, dry mixes, and meal. Drugstore beetles sometimes feed on
non-food items such as wool, leather, books, wooden objects and even
tin or aluminum foil.
While the entire lifecycle of a drugstore beetle lasts about two to
seven months, the beetle will generally cause most of its damage in
the larval stage. A female drugstore beetle will lay up to 100 eggs on
its food source. For about four to twenty weeks, the small, white
larvae burrow through the food and consume it before building a cocoon
and pupating within the span of 12 to 18 days.
Red flour beetles are shiny and reddish-brown beetles that grow to
about 1/8th of an inch in length, with distinctive antennae that
abruptly end into an enlarged three-segmented club. They have a
flattened, oval shaped body and are winged, using their wings to fly
short distances.
The most common signs that red flour beetles have invaded your home
is to see the actual beetles either crawling or flying throughout your
home, or by seeing them in your flour or cereal products. You may also
notice holes where they have chewed through the packaging of flour or
other dry cereal products that are stored in your kitchen or pantry
areas.
Grain beetles are slender-bodied, flat, brown beetles that are
about 1/10 inch long with six saw-like tooth projections on each side
of the thorax. Both the larvae and adults feed on products including
flours, cereals, candies, dried fruit and more. It’s not uncommon to
find them infesting pet food, bird see and rodent bait.
The grain beetle is a major pest of stored food products in homes
and commercial facilities. The pests usually get into goods when they
are in production or on their way to stores or homes. Tainted items on
grocery store shelves can lead to a mass infestation in the local area.
In homes, grain beetle infestations begin when residents bring infested
food into the kitchen. The insects quickly spread to other bagged or
boxed products.
Indian meal moths are among the most common and most destructive
pantry pests in the country. Indian meal moths are flying insects
ranging from 1/2 to 5/8th of an inch in length. Adult Indian meal moths
are most easily identified by a characteristic wing pattern where the
rear half of the wings is distinctly reddish brown or bronze colored.
Indian meal moths begin their life cycle as eggs laid by females
directly on or inside packaging of food products. The eggs hatch into
larvae that resemble small, creamy-white caterpillars but that are more
worm-like with brown heads and bodies that can sometimes be tinged pink
or green depending upon what they are feeding upon. Damage to stored
food products is caused by the larvae spinning silken threads as they
feed and crawl, thus webbing food particles together. The larvae feed
on such food products such as dried fruits, powdered milk, cornmeal,
flour, raisins, prunes, nuts, chocolate, bird seed, dry dog and cat
food, fish food, graham crackers, pastas, etc.
In residential pantries, Indian meal moths typically infest flour,
grains, cereals, dried fruits, pasta, powdered milk and many other
items commonly found stored in homes.
They may also be found in dry pet food and stored bird seed. In fact, in most cases they are already
present in birdseed when it is brought into the home. Birdseed and pet foods should always be stored in sealed containers and should not
remain in the original packaging. It is also important to inspect and
remove any infested dried goods at the onset of sighting adult moths.
Indian meal moths have also been known to infest candy bars and baked
goods in vending machines.
Weevils are very small beetles, about 1/16- to 1/4-inch long with
dull reddish-brown to black coloration and four reddish-yellow spots
on its back. They are primarily attracted to wheat and stored grains.
In homes, they can infest pantries and make their way into dry food
products. In the wild, they are particularly damaging to crops. Most
have the ability to chew through paper in order to access a food
source. They can be found in nuts, seeds, cereals and grain products.
Weevils thrive in warm conditions and mature more quickly under
high temperatures. They take longer to develop in cold temperatures
and have a lower survival rate. In the home, weevils can be brought in
on packaged foods or they can come in from outside. Once inside, a
population can grow and expand to food items stored nearby if they are
not controlled.
The biggest threat they pose is of infestation and spoiling food -
creating waste and increased living costs to the homeowner. While they
are not usually a direct threat to people or pets inside a home, the
food contamination they are responsible for can nevertheless lead to
negative health effects if someone ingests the food after pantry pests
have made contact.
Beetles, weevils, and moths typically do not cause damage other
than the contamination of food products. Most of the time, their
larval stages are very destructive and can contaminate food products
as well as breed in areas where stored products are kept. Beetle-
infested items often cause mold problems due to moisture buildup.
If you want to keep the food in your pantry safe and secure, it pays
to stop pantry pest infestations before they happen using effective
preventative measures. Pantry pests are most often brought into the
home through packaged food products that have already been infested,
but they can also enter your home from outside.
If pantry pests have invaded your stored food products, you
shouldn’t attempt to handle the problem on your own. Controlling pantry
pests can be a tedious task because the source of the infestation may
be difficult to find, making it difficult to identify and eliminate
the problem at its source. Pantry pests can also be difficult to
eradicate because of the sheer range and food products they are likely
to infest. Most pantry pests breed almost continuously since they tend
to live in or near their food source and can produce several
generations in a single year, so failing to treat the entire problem
at once will only allow it to spring up again a short time later.
When it comes to effective treatment
and prevention for pantry pests, over-the-counter products are
rarely sufficient to create a permanent solution. Instead, you need to
consult a professional for help.
At Guard Pest Control, our team has decades of experience handling
pantry pests as well as all the other pests that might try to get into
your home. If pests are threatening your pantry, we’ll find them,
eliminate them, and keep them from coming back. Contact us today to
find out more about how a comprehensive pest control treatment plan
from Guard Pest Control can protect
your greater Houston area home from pantry pests.
Fill out the form and we will call you back with your quote!
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