摘要：THE LARVA OF THIRD INSTAR, MALE AND FEMALE PUPAE OF COELOSIS BILOBA OBTAINED INSIDE ANT NESTS OF ATTA CEPHALOTES IN COLOMBIA (CAUCA, VALLE) AND MEXICO (VERACRUZ) ARE DESCRIBED. DRAWINGS OF DIAGNOSTIC STRUCTURES, A KEY TO THE KNOWN THIRD INSTAR LARVAE OF AMERICAN ORYCTINI, AND OBSERVATIONS ON THE BIOLOGY OF C. BILOBA AS INQUILINE OF ANT NESTS, ARE INCLUDED.
