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Cockroach
Cockroaches are the most famous pests, which carry variety
of pathogens which can lead to outbreak of diseases such as
Salmonella. They contaminate food with faecal pellets, moult debris
and dead bodies. There are three known types of cockroach, the
Oriental, German and American.
Oriental cockroach is more common than the German Coackroach. It
is dark reddish brown to black and about 24 mm long. The oriental
coackroach are commonly found in kitchens, bakeries, drains, cellers
and feed on wide variety of plant and animal material.
German Cpackroach is smaller ( about 10-15mm long) and light
brown in colour. They likes moust areas and can climb smoth surfaces
unlike the Oriental coackroaches. It is found in kitchens, backeries
and fridges as they resist very low temperatures. The American type
found normally in drains and city sewers.
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Rodent
Mice and rats are the main
source of food poisoning bacteria and can carry other
diseases. Black rats are dangerous but very rare. The Brown rates
can be found in city sewers, warehouses mostly. They may feed on
grains, vegetables, fruits and even candles and soap. They carry
diseases such as leptospirosis or Weil's disease whaich is cuase by
leptospairs bacteria found in rats urine. They can also damage
electrical cables and similar materials.
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Ants and Mites
Ants are the most known
insects. They are attracted to sweet and fatty materials. They can
be found in kitchens, pantries, storrooms and
warehouses.
The Mites attact
variuos type of produce especailly if moisture level is high. Mites
adults attract cereal embryos, The hypopus stage resist starvation
and chemical treatments.
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Flies
Various types of flies
can be found in and around the gomes and food premises. Flies are
nuisance and capable of tansmitting diseases such as salmonella,
typhoid fever, cholera, anthrax, dysentery etc. The house fly
is black and most common world wide. The fruit and bottle fly are
less common . They are larger than the house flies and have shiny
metallic color. They lay their eggs on exposed meat. They have loud
droning buzz. There is also, fruit flies which contaminate food such
as fruits and rubbish.
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Fleas, Lice and Bedbugs
Fleas live as parasites of
warm blooded animals especially mammals. Fleas can transmit
typeworms, typhus and bubonic plague in some parts of the world.
Wall to wall carpeting is suitable place for fleas to develop. The
most common flea is called cat flea. Human flea is rare. Fleas bite
and a small dark red spots surrounded by reddened area appera. The
bite presists for one or two days and is intensely
irritating. Lice are small wingless insects. The most
common is called human lice that is associated with human bodies.
They dry out if they are away from pople for more than 24-36 hours.
Lice appear normally in unsanitary conditions where poeple can not
bathe or wash cloths regularly. The bedbugs are small ,flat and
red-brown. It has very unpleasuent smell. They carry some diseases
and cause irritaing.
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Birds
Starling birds caue
nuisance. This can be a real problem for gardens and orchards. They
may cause damage and eating food of poutry, birds etc. Variuous
methods used to overcome this problems such as narcotizers,
repellants, network bird netting and bird scaring.
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Wasp
The main nuisance caused by wasps is minor damage done
to wooden fences. The wasps stings can cause painfull selling that
may last few days. In some cases it may cause serious illness to
some people.
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