Nothocalais: from the Greek nothos, "false or spurious," and Calais, a figure of Greek mythology who had scales on his back (contributed by Cynthia Powell)

troximoides: Jaeger's Sourcebook relates the root trox with trog, from the Greek trogo, "to gnaw" and trogos, "a gnawer, weevil", and Brown's Composition of Scientific Words says that troxalis is the Latin word for grasshopper or cricket, which are gnawing insects. (contributed by Cynthia Powell)