German cockroach – also known as croton bug ,is a species of small cockroach. It’s size 1.1 to 1.6 cm long . It’s color almost black and it has two dark roughly parallel streaks on the pronotum running anteroposteriorly from behind the head to the base of the wings.

American
American cockroach is a common in habitant of sewage system and basement . American cockroach is found most commonly in restaurant , grocery stores, bakeries and where food is prepared or stored. American roach is around 1.5 inch long with the biggest roach growing up to 2 inches.It is reddish brown and features a yellow band behind it’s head . It has six leg.

Oriental cockroach :-Oriental cockroach also known as waterbug or black beetle Oriental cockroach is a large species of cockroach, adult males being 20-27 mm . It is dark brown or black color and has a glossy body.

Brown Banded Cockroach

Brown banded cockroach is a small domestic cockroach species . the adult brown-banded cockroach may reach 11 to 14.5 mm in length. These colorful roaches received their name from the light brown .Brown-banded cockroaches are good climbers and can be active at night and during the day. Brown-banded cockroaches feed on a variety of materials including human food, starches, dyes, glue, books, stamps, and clothing.