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An illustration of a male (right) and female (left) cockroach. Cockroaches (or simply "roaches") are insects of the order Blattaria. This name derives from the Latin word for "cockroach", blatta. There are about 4,000 species of cockroach of which 30 species are associated with human habitations and about four species are well known as pests.

Cockroach

An illustration of a male (right) and female (left) cockroach. Cockroaches (or simply "roaches") are…

Cockroaches or roaches are insects of the order Blattaria. This name derives from the Latin word for "cockroach", blatta. Cockroaches live in a wide range of environments around the world. Pest species of cockroaches adapt readily to a variety of environments, but prefer warm conditions found within buildings. Many tropical species prefer even warmer environments and do not fare well in the average household. Roaches are not able to survive in moist areas such as bathrooms and are not able to exit such areas. This diagram shows a dissection of a cockroach with particular note of the allmentary canal (al).

Cockroach

Cockroaches or roaches are insects of the order Blattaria. This name derives from the Latin word for…

The Oriental Roach, male.

Roach

The Oriental Roach, male.

The Oriental Roach, female.

Roach

The Oriental Roach, female.