Cockroaches are perhaps the most common household pest. Apart from being a nuisance, they can cause contamination and respiratory illness in humans they also transit various diseases and damage property by chewing on or soiling bookbinding, fabric and other materials.
Cockroaches commonly found in and around human habitation are :
German Cockroach: They Are light brown or tan in colour with two parallel black streaks covers the head. Adult are 12-15 mm long, with females being larger than male. Adult usually live upto three months.
American cockroaches: They are reddish-brown in colour, with pale yellow marking above the head. These are large cockroaches and adult are 35-40mm long.Adult can live for 14-15 months .
Brown Banded cockroaches: Generally looks similar to the german roach, pale brown in colour, except for the light coloured bands running horizontally across the wing base and abdomen.