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louse." The ancient Romans called him Blatta, and on this his scientific family name of Blattidae is based. A small species of Europe, named by rhe entomologisrs
C
F?c. 49- The four species of common household roaches A, the German roach, or Croton bug, Blattella gerrnanica (length N inch). B, the American cockroach, Periplaneta arnericana (length ?3?s inches). C, the Australian cockroach, Periplaneta australasiae (length i/ci/ inches). D, the wingless female of the Oriental roach, Blatta orientalis (length i?/? inches). E, the winged male of the Oriental roach (length ? inchl
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ROACHES
