Sunday, February 6, 2011

Why They Are So Many Cockroaches

Do you know what kind of roachces that running all over your places at your kitchen,lving hall?If you live in Asia ,you house most likely full of Oriental Cockroaches.

The adult Cockroach is about 20-24mm (1.25 inches) long with dark brown or black in colour at body amd leg,long whip-like segmented antennae,male wings can reach 3/4 down length of body,it can climb almost any surface,rough but not smooth surfaces.

Wondering why they are so many Cockroaches even you have killed plenty of them using diffrence methods ?Well for the process of generate new genaration ,they produces 5 egg capsules at monthly intervals,each capsule contains up to 16 eggs and are usually cemented to a surface.It mean one Cockroach will produces 80 (5 capsules x 16 eggs) samll Cockroaches on a monthty basic..That 80 times multiply.

Oriental Cockroach life cycle is a about live approx 4-5 months and can live up to years depend on the food supply.

The lifespan of a cockroach depends greatly on the species, with some living a matter of months, and others surviving for years. Here are some of the most common species and their lifespans:
German cockroach - These generally live for about 3 to 4 mouths.
American cockroach - These can live anywhere from 1 to 2 years.
Oriental cockroach - The lifespan of these cockroaches is normally about a year.
Surinamcockroach - These cockroaches also live for a year, give or take a month or two.
Madeira cockroach - This species generally live for no more than 2 years.
Brown-banded cockroach - The lifespan of this species is around 6 months.
Madagascan hissing cockroach - These will generally live for about 18 months.
Giant Burrowing cockroach - Live in Queensland and they can live for up to 10 years.

Nymphs emerge 6-12 weeks later and go through 7-10 moults before reaching adulthood,from roache egg to adulthood takes 10-24 months depending on temperature and food supply

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