@article{articlef470c38d,
title   = {Caste Differences in Polybia emaciata, a mud-nesting eusocial wasp (Hymenoptera: Vespidae) that bears pre-imaginal determination but not size differences},
author = {Noll, Fernando B. and Taverna, Luis Gustavo and Lima, Alexandre Capelete de Oliveira and Mateus, Sidnei},
year = {2009},
journal   = {Sociobiology}
}