Among the best-known pest species are the American cockroach, Periplaneta americana, which is about 30 millimetres (1.2 in) long. Cockroaches are insects that have lived on Earth for more than 320 million years. There are more than 3,500 different species, or types, of cockroach. Most live in forests in warm areas. However, some cockroaches live in warm, dark areas of houses, apartment and office buildings, airplanes, and ships. Cockroaches are among the most hated household pests.The cockroach is considered one of the most obnoxious of household pests. This brown or black insect can be found in houses, apartment and office buildings, ships, trains, and airplanes in many parts of the world. Domestic cockroaches, which are also called roaches, have a disagreeable odor. They live in warm, dark areas. Their broad, flat bodies permit them to crawl in narrow cracks and along pipes. They hide in the daytime, coming out at night to feed. The diet of the cockroach, which includes both plant and animal products, ranges from food, paper, clothing, and books to dead insects. Although cockroaches can be difficult to eliminate entirely, a variety of common poisons and traps are effective in controlling their numbers. Cockroaches are believed to be able to transmit several different human diseases.BIOLOGY :
(order Blattodea)Cockroaches are among the most prolific insects in the world. Their rapid reproduction is one of the reasons why a single pregnant cockroach carried home in a grocery bag really can explode into a major infestation in almost no time at all.
A German cockroach in an average environment, with sufficient food, warmth, moisture, and harborage, lives for about three or four months, on average. During this time, a female will produce 4 to 6 oothecae, with each ootheca containing between 30 and 40 eggs. This makes for an average reproductive potential of between 120 – 240 live offspring during her lifetime.
German cockroach nymphs reach sexual maturity in about 8 to 12 weeks under favorable conditions. So factoring in the reproductive potential of her offspring, a single female German cockroach (or even a single ootheca) brought into a home can swell to an infestation of hundreds or thousands of roaches in the course of a year.SOLUTION :
Inspect sacks, cartons and boxes, etc., brought into the house, and destroy any roaches. Sanitation is critical in roach control. Clean up spilled foods and liquids, avoid leaving scraps of food on unwashed dishes and counter tops, keep food in tightly sealed containers, rinse cans and bottles before putting them in trash and transfer garbage outdoors into roach-proof receptacles.
There are a variety of do-it-yourself options for killing cockroaches. Some of the more well regarded of these are listed below. Try one at a time, or try them all.
- Make “Roach Food”:
- One part powdered (not granular) boric acid (sometimes sold as a roach-killing powder, but often available in pharmacies (for making anti-pinkeye eyewash)
- One part white flour.
- One part granulated white sugar
- The sugar baits it, the flour makes it stick, and the boric acid kills them. Place in the backs of drawers and cabinets, under refrigerator, stove, etc. Expect at least 3 cycles of disappearance/reemergence of progressively smaller hordes of cockroaches, lasting about 2 weeks each. Continue using boric acid till roaches are gone.