@article{article691a8ee4,
title   = {Ecdysteroid titer and reproduction in queens and workers of the honey bee and of a stingless bee: loss of ecdysteroid function at increasing levels of sociality?},
author = {Hartfelder, K and Bitondi, Marcia Maria Gentile and Santana, W. C. and Simões, Zilá Luz Paulino},
year = {2002},
doi = {10.1016/s0965-1748(01)00100-x},
journal   = {Insect Biochemistry and Molecular Biology}
}