Cockroaches are insects of the order Blattodea, which also includes termites. source
Cockroaches are insects of the order Blattodea, which also includes termites.
About 30 cockroach species out of 4,600 are associated with human habitats. source
About 30 cockroach species out of 4,600 are associated with human habitats.
About four ockroach species are well known as pests. source
About four ockroach species are well known as pests.
The cockroaches are an ancient group, dating back at least as far as the Carboniferous period, some 320 million years ago. source
The cockroaches are an ancient group, dating back at least as far as the Carboniferous period, some 320 million years ago.
Cockroaches are somewhat generalized insects without special adaptations like the sucking mouthparts of aphids and other true bugs. source
Cockroaches are somewhat generalized insects without special adaptations like the sucking mouthparts of aphids and other true bugs.
Cockroaches have chewing mouthparts and are likely among the most primitive of living neopteran insects. source
Cockroaches have chewing mouthparts and are likely among the most primitive of living neopteran insects.
Cockroaches are common and hardy insects, and can tolerate a wide range of environments from Arctic cold to tropical heat. source
Cockroaches are common and hardy insects, and can tolerate a wide range of environments from Arctic cold to tropical heat.
Tropical cockroaches are often much bigger than temperate species. source
Tropical cockroaches are often much bigger than temperate species.
Some species, such as the gregarious German cockroach, have an elaborate social structure involving common shelter, social dependence. source
Some species, such as the gregarious German cockroach, have an elaborate social structure involving common shelter, social dependence.
Cockroaches have appeared in human culture since classical antiquity. source
Cockroaches have appeared in human culture since classical antiquity.
Cockroaches are popularly depicted as dirty pests, though the great majority of species are inoffensive and live in a wide range of habitats around the world. source
Cockroaches are popularly depicted as dirty pests, though the great majority of species are inoffensive and live in a wide range of habitats around the world.
Cockroaches are members of the order Blattodea, which includes the termites, a group of insects once thought to be separate from cockroaches. source
Cockroaches are members of the order Blattodea, which includes the termites, a group of insects once thought to be separate from cockroaches.
Currently, 4,600 Cockroaches species and over 460 genera are described worldwide. source
Currently, 4,600 Cockroaches species and over 460 genera are described worldwide.
The name "cockroach" comes from the Spanish word for cockroach, cucaracha, transformed by 1620s English folk etymology into "cock" and "roach". source
The name "cockroach" comes from the Spanish word for cockroach, cucaracha, transformed by 1620s English folk etymology into "cock" and "roach".
The first fossils of modern cockroaches with internal ovipositors appeared in the early Cretaceous. source
The first fossils of modern cockroaches with internal ovipositors appeared in the early Cretaceous.
Cockroaches are generalized insects, with few special adaptations, and may be among the most primitive living neopteran insects. source
Cockroaches are generalized insects, with few special adaptations, and may be among the most primitive living neopteran insects.