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[6] [7] The name "cockroach" comes from the Spanish word for cockroach, cucaracha, transformed by 1620s English folk etymology into "cock" and "roach". [8] The scientific name derives from the Latin blatta, "an insect that shuns the light", which in classical Latin was applied not only to cockroaches, but also to mantids. [9] [10]
The American cockroach (Periplaneta americana) is the largest species of common cockroach, and often considered a pest. In certain regions of the U.S. it is colloquially known as the waterbug, [1] though it is not a true waterbug since it is not aquatic. It is also known as the ship cockroach, kakerlac, and Bombay canary. [2]
The German cockroach (Blattella germanica), colloquially known as the croton bug, is a species of small cockroach, typically about 1.1 to 1.6 cm (0.43 to 0.63 in) [1] [2] long. In color it varies from tan to almost black, and it has two dark, roughly parallel, streaks on the pronotum running anteroposteriorly from behind the head to the base of ...
Megaloblatta longipennis is a species of cockroach in the family Ectobiidae.It is the world's largest cockroach by length and wingspan. It is native to Colombia, Ecuador and Peru; [3] [4] [5] although its range sometimes is reported to extend into Panama; this is based on misidentifications of the closely related and similar M. blaberoides (the only Central American species in the genus).
Blattodea is an order of insects that contains cockroaches and termites. [3] Formerly, termites were considered a separate order, Isoptera, but genetic and molecular evidence suggests they evolved from within the cockroach lineage, cladistically making them cockroaches as well. [4]
Blattidae is a cockroach family in the order Blattodea [2] containing several of the most common household cockroaches. Notable species include: Blatta orientalis: Oriental cockroach, Common shining cockroach: (Drymaplaneta communis) Florida woods cockroach: (Eurycotis floridana)
The oriental cockroach (Blatta orientalis), also known as the waterbug (as they live in damp areas) or black cockroach (as their bodies are mostly dark), [1] is a large species of cockroach, adult males being 18–29 mm (23 ⁄ 32 – 1 + 5 ⁄ 32 in) and adult females being 20–27 mm (25 ⁄ 32 – 1 + 1 ⁄ 16 in). [2]
The gut contents of the cockroach, depending on its diet, may provide essential nutrients unavailable from a cockroach with an empty gut. [15] Vitamin and mineral content in studied cockroaches was well represented except for low calcium:phosphorus ratios typical in cockroaches, and relatively low vitamin A and E in captive cockroaches. [15]