Number of Ovarioles in Workers Descendent from Crossings Between Africanized and Italian Honeybees (Apis mellifera L.): Comparing Stock, Inbred and F1 Colonies - Thuller, Regina H. C.; Malaspina, Osmar; Bueno, Odair C.; Chaud Netto, José (Anais da Sociedade Entomológica do Brasil, 1996)