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We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

Cockroach

We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

Cockroach

We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

Cockroach

We are not, as a rule, very fond of cockroaches, and do all we can to get rid of them,(Wood, 1896).

Cockroach dissected to show alimentary canal, al.c.

Cockroach

Cockroach dissected to show alimentary canal, al.c.

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…

Common cockroach. a, female; b, male.

Cockroach

Common cockroach. a, female; b, male.

"Blattina includes the <em>Cockroaches</em>, the most noted species of which, the Black beetle or Common Cockroach, <em>Blatta Orientalis</em>, often swarms to such an extent in houses as to be complete nuisance." &mdash; Goodrich, 1859

Common Cockroach

"Blattina includes the Cockroaches, the most noted species of which, the Black beetle or Common…

"A genus of Orthopterous insects, having an oval or orbicular flattened body, the head hidden beneath the large plate of the prothorax, long thread-like antennae, and wings folded only longitudinally. The elytra are parchment-like, and the wings are sometimes very imperfectly developed, particularly in the females, as in the case of the common cockroach." &mdash; Chambers' Encyclopedia, 1875

Female Cockroach

"A genus of Orthopterous insects, having an oval or orbicular flattened body, the head hidden beneath…

Cockroaches belong to the order Orthoptera. Cockroaches are harmful to plants in every stage after leaving the egg.

Female Cockroach

Cockroaches belong to the order Orthoptera. Cockroaches are harmful to plants in every stage after leaving…

"A genus of Orthopterous insects, having an oval or orbicular flattened body, the head hidden beneath the large plate of the prothorax, long thread-like antennae, and wings folded only longitudinally. The elytra are parchment-like, and the wings are sometimes very imperfectly developed, particularly in the females, as in the case of the common cockroach." &mdash; Chambers' Encyclopedia, 1875

Male Cockroach

"A genus of Orthopterous insects, having an oval or orbicular flattened body, the head hidden beneath…

"Filiform antennae of cucujo firefly of Brazil."-Whitney, 1902

Cucujo Firefly

"Filiform antennae of cucujo firefly of Brazil."-Whitney, 1902

One element in eye of roach

Sensory Organs of Insects

One element in eye of roach

A small beetle of a dark brown color spotted with black, yellow, and white.

Plum Weevil

A small beetle of a dark brown color spotted with black, yellow, and white.

A small beetle of a dark brown color spotted with black, yellow, and white.

Plum Weevil

A small beetle of a dark brown color spotted with black, yellow, and white.