Ovarian growth during larval development of queen and worker of Apis mellifera (Hymenoptera: Apidae): a morphometric and histological study.

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Reginato, R. D.
Cruz-Landim, C.

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The present work reports the differences between the ovarian grow in queen and worker larvae of A. mellifera, from the start of differential feeding. The observations made of the growth rates in larvae of both castes showed that the queen and worker larvae have the same rates of cephalic capsule growth from one instar to another but the weight gain is greater in queens. In the same way, the draw areas of ovaries of queens increase more and continuously, while from the 5th instar on the ovaries of workers decrease in size. The decrease is due to a loss of ovariole numbers that starts early in the worker larvae and increases in the 4th-5th instar. The ovarian shape in queens and workers became different in the last larval instars.



animal, bee, female, growth, development and aging, larva, ovary, ultrastructure, weight gain, Animals, Bees, Female, Larva, Ovary, Weight Gain

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Brazilian journal of biology = Revista brasleira de biologia, v. 63, n. 1, p. 121-127, 2003.