Cockroaches spread human disease by depositing disease
organisms on food and utensils. The American cockroach, which comes into
contact with human excrement in sewers or with pet droppings, may transmit
bacteria that cause Salmonella and Shigella.
German cockroaches are believed to be capable of transmitting
disease-causing organisms such as Staphylococcus, hepatitis, and coliform
bacteria. They also have been implicated in the spread of typhoid and
Recent studies have found a strong association between the
presence of cockroaches and increases in the severity of asthma symptoms in
individuals who are sensitive to cockroach allergens. Read More...
Detection and Treatment:
Cockroaches may become pests in homes, restaurants,
hospitals, warehouses, offices, and virtually any structure that has food
preparation or storage areas. These pests are common even in the cleanest of
crowded urban areas and older dwellings.
Itís usually not difficult to discover an infestation, because they are
often visible. Treatment usually
involves sealing cracks and crevices to block entrance; keeping food and trash
areas clean to avoid providing food; and the professional application of
insecticide and bait on a regular basis. Read More...
Rodents consume and contaminate
food. They also gnaw on electrical
wires, wooden structures, and tear insulation in walls and ceilings for
Rodents can also transmit disease to humans, pets, and livestock. They have been found to transmit typhus,
leptospirosis, trichinosis, and salmonellosis. Read More...
The presence of mice and rats is usually detected by the damage they cause
to food and structures, by their droppings, and by their nests. Treatment involves eliminating all entry
points and population reduction by the application of rodenticides and
traps. Read More...
Ants cause various types of damage, depending upon the variety. Carpenter ants tunnel through wood,
destroying structures. Pharaoh ants may
transmit serious diseases. A fire antís
sting is potentially deadly to susceptible individuals, and all ants
contaminate the food they infest. Read More...
build massive colonies, so their presence is generally detected when you see
their nests, or the ants themselves.
Treatments involve baiting, insecticide, and sealing off entry to
buildings. Read More...
Although most spider bites are not life threatening, they can
be annoying and uncomfortable, and in some circumstances very
dangerous. When itís important to eliminate spiders, chemical
control is used, along with destruction of webs and eggs. Since they
feed on insects, measures that
eliminate unwanted insects will also reduce spider populations. Read More about Black Widow Spiders...
Biting and Stinging Pests
wasps and scorpions are dangerous because of their painful and potentially
nests and bee hives can be removed by professionals with protective
gear. Insecticides are also used. Scorpions are treated chemically and
environmentally, eliminating their habitat directly around the
Pest identification information copyright Regents of the University of California©
Visit UC IPM Online for more information about additional pests.
Fleas bite to obtain blood for their diet. The bites can itch and
become painful or worse if infection occurs. Some diseases are
transmitted by flea bites. Read More...
Detection and Treatment:
Flea activity will be most pronounced where pets spend most of their
time. Please inform the techncian where your pet(s) tend to rest or
spend most of their time. You'll need to prepare and maintain your property and pets to control fleas. Read More...
Springtails can occur in large numbers,
becoming more of a nuisance than a health hazard. They generally do not
pose a great threat to food or the environment.