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Ants (For in depth information click on the picture) Ants are pests
around the home because they feed on and contaminate human foods, infest
structures and build unsightly mounds in lawns. In some cases, ants are able to
inflict painful bites or stings. Ants do not attack or eat fabrics, leather or
wood in houses; however, some species can establish nests in decaying wood in
structures. Ants can be recognized from other insects because they have a narrow
waist called a pedicel, with either one or two nodes (joints) between the thorax
and abdomen. Also, ants have elbowed antennae. Winged reproductive ants have
four wings with the first pair being much larger in size than the hind pair.
Ants are frequently confused with termites. However, termites have a broad
waist, straight antennae and four wings of equal size.
Bees, Hornets, Wasps (For in depth information click on the
picture) Bees, hornets and wasps are for the most part a very beneficial
group of insects. They are major pollinators of flowering plants. They are
categorized as either solitary or social. Solitary species are those that live
independently of each other, while social species live together in colonies or
nests. Common solitary groups include carpenter bees, mud daubers, and velvet
ants. Social groups include bumble bees, honey bees, hornets, paper wasps and
yellow jackets.
Bees, wasps and hornets can be recognized by the constriction at the base
of the abdomen. They have 4 wings with the front wings being a little longer
than the hind wings. Females have a well-developed ovipositor modified into a
stinger. It is necessary to know which group of bees, hornets or wasps you are
encountering. Knowledge of whether they are solitary or social and their nesting
habits is essential for safety and control.
Bees, wasps and hornets have
a complete metamorphosis. With the onset of cold weather, except for honeybees,
the workers, and males die off leaving only the inseminated queens to
over-winter. Adults of social species feed on nectar, honeydew, sap and fruit
juices. Other groups are scavengers and predators.
The honeybee is 2/3",
yellow and black/brown, with hairs covering the body. The nest of the honeybee
is made of wax cells, typically in voids and under slab foundations. The
honeybee can sting.
The bumblebee is 1", black and yellow body, covered
with hairs. The nest of the bumblebee is made of wax cells, typically below
ground, but sometimes in walls or under slabs. The bumblebee can also sting.
Hornets and yellow jackets(For in depth information click on the
picture)are about ¾". They are black with yellow or white markings. Yellow
jackets typically nest underground in large globular nests made of paper
material. Nests may be built in an aerial location. Hornets nests are usually
large and globular papery material attached to tree limbs or structural
overhangs. Both Hornets and yellow jackets can sting.
Paper wasps are
¾"-1", black or brown with red and a few yellow markings. Wasps build a paper
comb of cells that open downward and are common under eaves, window frames and
decks. Wasps can also sting.
Mud daubers are ¾"-1", black and yellow,
metallic blue or shiny black in color. They are solitary bees that build nests
of clay or mud, usually along eaves or in garages. Mud daubers rarely sting.
Velvet Ants are not true ants but are solitary bees. They are ½"-1",
wingless, covered with hair and are bright red to orange in color. Nests are
solitary on the ground. Velvet ants sting only when handled, stepped on or
trapped.
German Cockroaches (For in depth information click on the picture) The
German cockroach is by far the most important and usually the most common of all
cockroach species. In addition to being a nuisance, it has been implicated in
outbreaks of illness and asthma, and is worldwide in distribution.
Adults range between ½" and 5/8" long. They are light brown to tan in
color with 2 dark, almost parallel stripes on the pronotum (shield) running
lengthwise on the body (rather than across the body). The abdomen is covered by
wings; however, this cockroach rarely flies.
Nymphs are wingless,
smaller than adults, usually darker in color but with stripes similar to those
on the adult pronotum. The egg capsule (ootheca) is yellowish brown, although
the end attached to the female is usually paler in color. The capsule is ¼"-3/8"
long, slightly arched, with distinct separations between eggs which are
enclosed. Each capsule has about 15-20 eggs on each side (total 30-40 average
per capsule).
German cockroaches are found throughout structures but
prefer warm and humid places. They are usually found in kitchens and bathrooms,
but may also be found where people eat food and drink. Any crack or crevice
located near a food or water source is prime harborage. German cockroaches will
spend about 75% of their time hidden in these harborage areas. The smallest
nymphs require cracks about 1/32" while the adult requires about 3/16".
German cockroaches feed on anything that has nutritive value including
all kinds of human food sources as well as soap, glue or toothpaste. They are
commonly introduced into buildings through transfer of paper products, grocery
bags, cardboard boxes, drink cartons, and via secondhand appliances and
furniture. They seldom live or travel outdoors.
Fleas (For in depth information click on the picture) Fleas are one of
the most frequently encountered and most troublesome pests that attack humans
and their pets. Fleas are small reddish brown wingless blood-sucking insects.
Their bodies are flattened from side to side allowing easy movement between the
hairs of your pet. Legs of a flea are long and readily adapted for jumping. A
flea has mouthparts that are readily adapted for sucking blood.
The
adult flea may attack a variety of warm-blooded animals including dogs, cats,
humans, chickens, rabbits, squirrels, rats, mice, etc. The female flea must have
a blood meal in order to develop and lay eggs. Fleas may lay up to 500 eggs over
a period of several months. Eggs hatch in 1-12 days. Larvae avoid light and feed
on particles of dead matter in the area. Within 7-14 days, flea larvae will
pupate. The cocoon of the flea pupae will emerge in 5 days to five weeks if a
host is present. The adult flea immediately begins its search for blood.
Flea control must involve two things to be successful. First, the pet
must be treated to prevent fleas from living on the host. Second, the premises
must be treated to eradicate the non-adult stages of the flea and to prevent
reinfestation of the pet. A proper communication between the homeowner and pest
control professional and thorough preparation of the premises before treatments
are rendered is important to flea control.
Don't be alarmed if you
continue to see fleas for up to two weeks after treatment. These fleas are newly
hatched from their protective pupae cases. Once exposed to the insecticide
residual, they will also be eliminated.
Moles (For in depth information click on the picture) The average mole
is about the size of a chipmunk, the exception being the shrew mole that is
approximately the size of a small mouse. They are found to weigh anywhere from ¼
ounce to 6 ounces. The mole has very small eyes and ears, both of which are
hidden in its fur and have limited sensitivity. It is believed the mole can
detect the presence or lack of light but that it cannot see. It is also believed
that most moles, except the Star-nosed mole that has excellent hearing, may only
be able to detect vibrations with its undeveloped ears. As a result of these two
sensory "blindness’s", the average mole has highly developed senses of smell and
touch. The forefeet of the mole are proportionally very large to the rest of the
body; its palms are typically wider than they are long with webbed digits tipped
with claws. The hind feet of the mole are small, narrow, and clawed.
Moles live most of their lives in underground runways. Their presence may be
determined by the low ridges pushed up as they move just under the soil surface
in search of food. These runways, in heavily infested areas, form a vast
interconnecting network. Moles dig runways to search for food and to provide
protection and living space for travel, resting, and nesting. Some runways are
major lanes of travel used by several moles. Major runways often appear under
fence lines, under roads or along sidewalks, lead to watering areas, or occur in
other generally protected situations. The main runways are usually about 6
inches under ground level, but may be as shallow as 2 inches or as deep as 20
inches.
Moles are active throughout the year. They do not hibernate or estivate.
During extremely wet or dry periods, mole activity—by external evidence—seems to
lessen. Control programs will be most successful if carried on during periods of
heavy mole activity.
Rats and Mice (For in depth information click on the picture) Rats and
mice are important pests entering man's homes and warehouses for food and
harborage. These rodents eat any kind of food that people eat. They also
contaminate much more food than they eat, with urine, droppings and hair. They
can transmit diseases such as bubonic plague, murine typhus and bacterial food
poisoning. Many times rats bite people. They can also cause damage and fires to
our structures by gnawing.
The most common rodent pests are the
commensal rodents. These are the rats and mice that have adapted to living with
man and sharing his food and shelter. They include the Norway rat, the roof rat
and the house mouse.
Spiders (For in depth information click on the picture) There are
about 1000 species of spiders in the United States. They live everywhere,
including homes and buildings. Some species are able to bite humans and inject
venom into the skin. The brown recluse and the black widow are considered
venomous spiders. Most spiders are not harmful to man.
All
spiders have 8 legs and 2 body regions. They are predators, feeding primarily on
insects and other arthropods. When feeding, spiders inject a digestive fluid
into their prey, and then suck up the digested food. They can survive for long
periods of time without feeding.
Spiders are of interest because some
enter homes, some are considered poisonous and still others are raised as pets.
Several species of spiders enter homes and become a nuisance. When numerous,
spiders are annoying because they construct webs. Abandoned webs collect dust,
resulting in cobwebs. However, spiders are considered beneficial because they
feed on insect pests.
The brown recluse spider is recognized by the
distinctive dark violin-shaped mark located on its head and thorax. It is a
medium size spider, about ¼" - ½" long. It is light tan to deep reddish brown.
It is usually found in sheds, garages and areas where items are stored. It may
hide in arms or legs of stored garments or in beds that have been unoccupied for
some time. Persons bitten by the brown recluse usually do not feel the pain for
2 - 3 hours. A blister arises followed by inflammation. Eventually, the tissue
dies leaving a sunken sore, and may take 6 - 8 weeks to heal.
The black
widow spider is glossy black and has a complete, red hourglass marking on the
underside of its abdomen. It is usually found outdoors, in protected areas, such
as under rocks and boards, and in and around old buildings. With its legs
extended, the black widow is about 1 ½" long.
The bite of the black
widow spider feels like a pin-prick. The initial pain disappears rapidly,
leaving local swelling and 2 tiny red marks. Muscular cramps in the shoulder,
thigh and back usually begin within 15 minutes to 3 hours. In severe cases, pain
spreads to the abdomen. Death seldom occurs if a physician is consulted and
treatment is prompt.
Squirrels (For in depth information click on the picture) Proper
sanitation and maintenance will prevent most problems. Most urban squirrels owe
their existence to humans. We supply both food, and shelter without thinking. A
house is just another funny looking tree to the squirrel. Why should the
squirrel spend days cutting and hauling twigs up a tree to build a nest, when
there is a perfectly good attic to sleep in. Its warm, out of the weather, and
they don't have to worry about predators coming in. Just add leaves or fluff,
and call it home.
Silverfish and Firebrats (For in depth information click on the picture)
Silverfish and firebrats are common in homes. The silverfish lives and
develops in damp, cool places. Large numbers may be found in new buildings where
newly plastered walls are still damp. The firebrat lives and develops in hot,
dark places, such as around furnaces and fireplaces, and in insulation around
hot water and steam pipes. Silverfish and firebrats follow pipes through walls
in search of food. They may be found in bookcases, around closet shelves, behind
baseboards, windows or door frames.
Both of these insects are slender
and wingless. They are covered with scales. Adults are about 1/3 to ½ inch long.
Silverfish are shiny and silver to pearl-gray in color. Firebrats are mottled
gray. Young insects resemble the adults, except they are smaller. Both have 2
long antennae attached to their heads and have 3 tail-like appendages at the
hind end. Each appendage is almost as long as the insect's body.
Silverfish and firebrats are active at night and hide during the day.
When objects under which they hide are moved, they dart about seeking a new
hiding place. Under normal conditions, they develop slowly and have few young.
They can live for several months without food.