Assertion: flightless cockroach | /r/HasProperty | two millimetres long
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Source sentences:
text: The size range of present-day cockroaches is typical of the diversity of body size among orthopterans: tiny flightless cockroaches (Attaphila), living as commensals in the nests of ants, are only two millimetres long when mature, whereas a species of Megaloblatta found in South America reaches 10 centimetres in length with a wing span of almost 19 centimetres.