Cockroaches

Cockroaches (or roaches) are insects belonging to the order Blattodea (Blattaria). About 30 cockroach species out of 4,600 are associated with human habitats. Some species are well-known pests.

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Blaberus is a genus of cockroaches native to the Neotropics found in the Americas. At least 31 valid species are in the genus, as well as at least 39 invalid species, and some of them are popular among hobbyists as pets or as feed for other arthropods (Blaberus discoidalis in particular serves this function). Unlike several genera of cockroaches considered to be pests, this genus keeps its ootheca in its abdomen until the time it hatches. They generally require a relative humidity of 60% or higher to thrive and temperatures above 25 °C (28-30 °C is best) to reproduce.

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Blattella is a genus of cosmopolitan and wild cockroaches in the family Ectobiidae.

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thumb|Illustration Nocticola is a genus of cockroaches in the family Nocticolidae distributed in Africa, south-east Asia and Australia. Nocticola are different from every other cockroach in that they are not infected with Blattabacterium cuenoti. This makes them the only genus in Blattodea that do not have the bacteria.

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Diploptera, occasionally called beetle cockroaches, is a genus of blaberid cockroaches in the monotypic subfamily Diplopterinae. Cockroaches of this genus resemble beetles, with hardened tegmina and cross-folded hindwings. They live in tropical forests in South China and Southeast Asia, and Pacific islands including Hawaii. They are viviparous cockroaches and are therefore used for insect endocrinological studies.

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Corydioidea is a superfamily of insects in the order Blattodea. It contains two extant families, Corydiidae and Nocticolidae, comprising about fifty genera and two hundred and fifty species, along with the extinct families Liberiblattinidae and Manipulatoridae. Members of this superfamily are found worldwide, mostly in hot, arid habitats.

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Loboptera is a genus of mostly Palaearctic cockroaches erected by Carl Brunner von Wattenwyl in 1865; it appears to be currently placed in the subfamily Blattellinae. The recorded distribution (probably incomplete) for species includes: mainland Europe (not the British Isles or Scandinavia), North Africa, Cameroun, the Middle East through to central Asia.

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Supella is a genus of cosmopolitan and wild cockroaches, in the family Ectobiidae: originating from Africa and the Arabian Peninsula.

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Pseudomops is a genus of cockroach in the family Ectobiidae. There are more than 40 described species in Pseudomops. thumb|Pseudomops septentrionalis

Phyllodromica is a genus of mostly Palaearctic cockroaches in the subfamily Ectobiinae, erected by Franz Xaver Fieber in 1853. The recorded distribution (probably incomplete) for species includes: mainland Europe (cosmopolitan in the British Isles, Iceland and Scandinavia), North Africa, the Middle East through to central Asia.

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Ischnoptera is a genus of cockroach in the family Ectobiidae.

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