@article{article0cc884ec,
title   = {Reproductive studies of a neotropical bumblebee, bombus atratus (hymenoptera, apidae )},
author = {Garofalo, C A and Zucchi, R S and Muccillo, Gerson},
year = {1986},
journal   = {Revista Brasileira de Genetica = Brazilian Journal of Genetics}
}