TY - SER AU - Thuller,R.H.C. AU - Malaspina,O. AU - Bueno,O.C. AU - Chaud-Netto,J. TI - Number of ovarioles in workers descendent from crossings between africanized and italian honeybees, Apis mellifera L.: comparison among backcrosses and ancestors colonies KW - Abelha KW - Apis Mellifera KW - Hibridacao KW - Ovario KW - Cruzamento Animal ER -