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Blattidae
Household Cockroaches
Blattidae is a family of cockroaches in the order Blattodea, established by Latreille in 1810. The family includes several of the most common household and peri-domestic pest species, notably in the genera *Periplaneta*, *Blatta*, and *Eurycotis*. The family is distributed worldwide, with particular diversity in tropical and subtropical regions. Many species have adapted to human-altered environments, though numerous species remain restricted to natural habitats such as leaf litter and forest floors.