mdanishseo-blog

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It is about roaches infestation and mosquito control tactics. We should use all possible pest control measure to avoid losses

[mdanishseo-blog]

best ways to control to get rid of roaches

Introduction 

Roaches are among the most common pests in many homes and other

buildings. At night they search for food in kitchens, food storage places, rubbish

bins, drains, and sewers. They are pests because of their filthy habits and bad smell.

Some people may become allergic to cockroaches after frequent exposure. Cockroaches can sometimes play a role as carriers of intestinal diseases, such as diarrhea, dysentery, typhoid fever, and cholera. Our main worry is how to

get rid of these roaches

? We have this answer so clear if we have known about roaches very well. Biology

Cockroaches are insects, flattened from top to bottom, usually with two pairs of

wings folded flat over the back. Most species rarely fly but they walk very

fast. The color usually varies from light brown to black. The species vary from 2–

3mm to over 80mm in length. Of over 3500 identified species only a few are of importance to people because

they have adapted to living in buildings. The most common species are:

• Periplaneta americana, the American cockroach, which occurs around the

world. It is 35–40mm in length and is a shiny reddish to chocolate brown

color. The egg case measures 8–10mm and contains 16 eggs.

• Periplaneta australasiae, the Australian cockroach, which occurs mainly in

tropical and subtropical areas. It is similar to the American cockroach, but

smaller (31–37mm long) and darker. It has a pale yellow stripe

on each forewing extending for about one-third its length. The egg case

contains about 22–24 eggs.

• Blatta orientalis, the Oriental cockroach, found mainly in cool temperate

regions. It is blackish and 20–27mm long. The egg case is 10–

12mm long and contains 16–18 eggs.

• Supella longi palpa, the brown-banded cockroach, which occurs around the

world. It is 10–14mm long and has yellow and brown bands. The

egg case is 4–5mm in length and contains about 16 eggs.

• Blattella germanica, the German cockroach, found in most parts of the world.

It is light yellowish brown and 10–15mm in length, making it one of the

smallest domestic cockroaches. The female usually carries the egg

case until shortly before the young come out. The egg case is light in color,

about 7–9mm long and contains about 40 eggs.Life cycle

Cockroaches are relatively primitive, having only three stages in their life cycle:

egg, nymph, and adult. The female deposits its eggs in groups surrounded by a leathery, bean-shaped egg case or capsule called an ootheca.

species, such as the German cockroach, carry the ootheca for several weeks

attached to the back end of the body. Most others deposit the ootheca after one or

two days. Oothecae are very distinctive and can frequently be used to determine

the species present. Depending on the species, temperature, and humidity, the eggs

hatch after 1–3 months.

The young cockroaches, or nymphs, are wingless, and usually only a few

millimeters long; they are white on hatching but darken within a few hours. They

grow in stages by repeatedly shedding the cuticle or skin. They are fully grown

after several months to more than a year, depending on the species. The adults

may or may not possess wings, consisting of one outer leathery pair beneath which

is folded a membranous pair. 

Behavior

Pest lives in close association with people. They are tropical in

origin but in the temperate zones, most species live in parts of houses and other

buildings where warmth, moisture, and food are adequate.

Cockroaches usually live in groups. They are mostly active at night; in the

daytime they hide in cracks and crevices in walls, door frames, and furniture, and

insecure places in bathrooms, cupboards, steam tunnels, animal houses, basements,

televisions, radios, and other electric devices, drains, and sewer systems. If

the lights are turned on in an infested kitchen at night the cockroaches will run

from dishes, utensils, work surfaces and the floor towards shelter.

Cockroaches eat a great variety of food, including all food used for human

consumption. They prefer starchy and sugary materials. They sip milk

and nibble at cheese, meats, pastry, grain products, sugar and sweet chocolate.

They also feed on cardboard, book bindings, ceiling boards containing starch, the

the sized inner lining of shoe soles, their cast-off skins, dead and crippled

cockroaches, fresh and dried blood, excrement, sputum, and the fingernails and

toenails of babies and sleeping or sick persons.

Public health importance

Nuisance

Cockroaches are important pests because they spread filth and ruin food, fabrics, and book-bindings. They disgorge portions of their partially digested food at

intervals and drop feces. They also discharge a nauseous secretion both from their

mouths and from glands opening on the body which give a long-lasting, offensive

cockroach smell to areas or food visited by them.

Diseases

Cockroaches move freely from building to building or from drains, gardens, sewers

and latrines to human habitations. Because they feed on human feces as well as

human food they can spread germs that cause disease. Cockroaches

are not usually the most important cause of a disease but like houseflies.they may play a supplementary role in the spread of some diseases. They are

proven or suspected carriers of the organisms causing:

Diarrhea

Dysentery

Cholera

Leprosy

Plague fever typhoid fever and viral diseases such as poliomyelitis.

In addition, they carry the eggs of parasitic worms and may cause allergic

reactions, including dermatitis, itching, swelling of the eyelids and more serious respiratory conditions.

  Control measures:

Effective control is easier in temperate climates (where cockroach populations

cannot survive outdoors in winter) than in humid and warm areas. The key to

control is cleanliness, which may be difficult in houses where there are children

and domestic animals. In isolated homes, control is easier to achieve than in

apartments where cockroaches may have easy access from adjacent quarters.

Reinfestation occurs from outdoors in warm areas, or along heating ducts and

water pipes in apartments, or from groceries or luggage brought from cockroach-infested

areas. Cockroaches may even sometimes be found in very clean houses,

but are unlikely to establish colonies. Everyone is disturbed about how to get rid of cockroaches.

The presence of several sizes of nymphs and oothecae is an indication of a well-established

colony. Infestations can be detected by searching behind skirting boards,

boxes, furniture, and other common hiding places. At night, cockroaches

are easily detected using light. By killing cockroaches is the only way to avoid them. There are different ways to control them. Heavy infestations of cockroaches can be dealt with by chemical control measures,

followed by environmental management to deprive the insects of food and

shelter. Low numbers can be effectively controlled by baits or traps. If you are thinking about how to get rid of cockroaches forever then you should following control measures. First of all, we should know how to cockroach kill. Environmental management:

Cleanliness and hygiene

Food should be stored in tightly covered containers in screened cabinets or

refrigerators. All areas have to be kept clean so that no fragments of food

or organic matter remain. Rubbish bins should be securely covered and emptied

frequently, preferably daily.

Basements and areas underneath buildings should be kept dry and free of

accessible food and water. Reduction of accessibilityGroceries, laundry, dirty clothing, egg crates, and furniture should be checked

before being taken into a building.

In some instances, accessibility to buildings can be reduced by closing gaps in

floors and door frames. Openings for drain water and sewer pipes, drinking-water

and electricity cables should also be closed. 

Chemical control

cockroaches are difficult to control with insecticides for several reasons, one of

which is that they may become resistant to commonly used compounds. Moreover,

many insecticides are repellent to them and are therefore avoided.

Chemical control gives only temporary relief and, wherever possible, it should be

accompanied by environmental sanitation and house improvement. Different chemicals are used for roaches killer purposes. Insecticides are applied to the resting and hiding places as residual sprays and

insecticidal dust. Some insecticides are best for killing roaches. Such applications are effective for periods ranging from several days to months, depending on the insecticide and the substrate on which it is

deposited. Insecticides can also be combined with attractants as toxic baits. Application:

Areas to be treated include kitchens, galleys, behind and along skirting-boards, in

and around sinks, in or under cupboards, under chairs and tables, in utility

cabinets, near refrigerators, and iceboxes, under loose floor coverings, food preparation areas, ducts, pipes, sewers, and manholes. Frequency of treatment how long the deposits of insecticide remain effective depends on a number of

factors, such as the thoroughness of the application, the speed of re-infestation, the

chemical used, the dosage and formulation applied, the type of surface to which it

is applied, the temperature and humidity, and the amount of wearing or rubbing

off that occurs. Insecticides generally last longer on painted than on unpainted

surfaces and longer on wood than on brick or block surfaces.

Frequent washing of a treated surface or coatings of dust or grease can render

an insecticide useless. A single treatment rarely results in the eradication. For most

species, additional treatments may be necessary at monthly intervals to kill newly

hatched nymphs or to prevent reinfestation.

Safety and precautions

Care should be taken to avoid food contamination. Avoid treating areas where

children may come into contact with the residue. In special situations, such as the

treatment of zoos or pet shops, residual sprays or dusts cannot be used. In such

cases, it may be possible to apply a limited quantity of chemicals with a brush.

Alternatively, a chemical with low toxicity to mammals and birds, such as boric

acid powder or silica aerogel may be used. Some formulations may stain fabrics, wallpaper.