Cockroaches

Cockroaches – insects that feed on waste from the activities of human life, sewers, garbage dumps, … Night is the amount of time to cockroaches are most active. They scoured every corner of the kitchen cabinets, trash, toilets, drains. Cockroaches are considered harmful insects by large the most germs, bacteria residing on their person. Cockroaches are very unpleasant smell, often undermining food, gnawing, biting breaking objects in the house. Cockroaches are also intermediate hosts many dangerous diseases transmitted as dysentery, typhoid, asthma.

Biological characteristics

Cockroaches – insects that feed on waste from the activities of human life, sewers, garbage dumps, … Night is the amount of time to cockroaches are most active. They scoured every corner of the kitchen cabinets, trash, toilets, drains. Cockroaches are considered harmful insects by large the most germs, bacteria residing on their person. Cockroaches are very unpleasant smell, often undermining food, gnawing, biting breaking objects in the house. Cockroaches are also intermediate hosts many dangerous diseases transmitted as dysentery, typhoid, asthma.

Biological characteristics

Gian-class insect – Insecta, cockroach wings – Blattodea. Cockroaches appear almost everywhere in the world except two far north, the south pole and the high mountains above 3,000 meters. Cockroaches flattened body, with wings behind the back holding out. Head hidden under the chest game. Long beard and has burned cockroaches. Form the jaw muscles cockroaches gnaw, chew. Depending on what the body cockroaches have different sizes, can be from 3 to 80 mm long. 1 covered the whole body indirect light brown, or black. Little space flight, in return they have very fast speed cow.

According to the documents entomology research, we discovered more than 3,600 species belonging to 6 families Cockroaches. However, only the cockroaches are more prominent because they appear more even.

Classify

The types of cockroaches which we frequent home include the following categories:

Loài gián Mỹ

American cockroach

American cockroaches are present throughout the world.

American cockroach – Periplanete americana: Appears almost in all parts of the human population worldwide. We have body length is 35-45 mm, color darker side. This species lays eggs under the drive, with 17 eggs, arranged in rows long, ranging from 10-12 mm.

Loài gián Úc

Australian cockroach

Australian cockroach 2 light yellow stripe 2 sides.

Australian cockroach – Periplanete australasiae: Living mainly in tropical climates, subtropical. Australian cockroach similar body American cockroaches, but smaller body length, eight 31- 37 mm, color black also more species. Is readily recognized at the Australian cockroach species is pale yellow stripes 2 from 2 sides of the wings stretching down to 1/3 length front wing. 1 Australian cockroach drive usually reach 20-25 eggs.

Gián Đông Phương có màu đem sẫm.

Oriental cockroach has brought dark color.

Oriental cockroach has brought dark color.

Oriental cockroach – Blatta orientalis: Easily caught cockroach in cool climates. Form of ownership size small, size 20-28 mm, dark black body. Holders Oriental cockroach eggs in long queues can reach 10-12 mm, approximately 15-19 eggs.

Gián Băng Vàng có dải màu vàng, nâu ngang lưng

Yellow tape strips cockroaches have yellow, brown waist

Yellow tape strips cockroaches have yellow, brown waist

Cockroaches have yellow tape, brown – Supella longipalpa: Appears almost in every neighborhood. Body length of about 10-15 mmm, with 1 strip of yellow, brown waist band. Holders of long-range eggs 3-5 mm, with 15 eggs in the one drive.

Gián Đức

German cockroaches

German Cockroach – Blattella Germanica: 1 easy catch cockroaches everywhere. Approximately 10-15 mm, yellow-brown body with light. Holders of long egg 7-9 mm and has 40 individual egg at 1 drive.

The life cycle of cockroaches

Gián đẻ trứng

Cockroaches lay eggs

Cockroaches are insects life cycle incomplete metamorphosis, going through 3 stages: egg – nymphs – maturity portfolio. When laying, the adhesive cockroach eggs into 1 individual drives shaped like legumes. Depending on species, ambient temperature, the eggs can hatch cockroaches period from 1-3 months.

Baby aka cockroach nymphs, they have no wings and their size is very small, insignificant few millimeters. Newly hatched nymphs after will wear white, but just a few hours after their 1 will be black. Nymphs develop into adult cockroaches by molting. This process lasts from 1 or more months 1 year depending on the characteristics of each species. Cockroaches will mature with or without wings.

The behavior of cockroaches

Cockroaches are less beneficial but harmful, many, adversely affecting the daily lives of people. Gian growth in herds, is most active at night. During the day they will eat hiding in crevices, slot cabinet, or other hidden places in your home. Just accidentally we turn the lights on in the kitchen at night, you will see cockroaches moved in panic to find shelter.

Gian house belonging omnivorous insects and they are extremely voracious. They can digest almost all types of food that people have not, have been used. In particular we are interested in the flour, sugar, such as milk, butter, sweets, … Cockroaches gnaw also covers, spines, eat dead cockroaches, blood fresh / dry, distribution, human toenails, … we hardly skip anything in your home.

The spread

There were cockroaches can move into herd behavior by dense growth. They gathered at the new location by running, or flying. Or hiding them in the bottles, empty cans, bags of food, the places where people stored food. Based on the lurk in the transportation of people as airplanes, trains, ships, … cockroaches can move to everywhere in the world.

Cockroaches are insects that cause disease

Odor secreted by the insects will greatly affect the taste of many foods of humans. When the amount of indirect centralized in one area that much, the whole place will come loaded on one characteristic odor of cockroaches. Lots of pathogenic cells, bacteria were also found on the insects, one can mention the indirect cause diseases such as dysentery, typhoid, diarrhea, food poisoning, … The bacterium this disease-causing cockroach lurking on foot, and then attach to food, food containers, food ladles as they go in search of prey. Indirect emissions from fertilizer also contains 1 allergen concentrations irritating to humans.

Some intermittent preventive measures

Must constantly clean, hygienic houses, where living is always in a state of cleanliness. Maybe thanks to the intervention of chemical measures to destroy them if cockroaches appear too much, then we have to renovate the living environment, clean except hideouts and indirect food source.

If inadvertently we see the presence of human cockroaches, cockroach eggs in the house, it is the most obvious sign for your home is where cockroaches permanent settlement.

Can kill cockroaches by intermittent spraying measures residual spray in places, nooks that often appeared cockroaches.

(Source Internet)

 

 

 

 

 

 

 

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