@article{article016fbfd5,
title   = {Increasing caste differences related to life cycle progression in some neotropical swarm-founding polygynic polistine wasps (Hymenoptera Vespidae Epiponini)},
author = {Noll, Fernando Barbosa and Zucchi, Ronaldo},
year = {2000},
doi = {10.1080/03949370.2000.9728322},
journal   = {Ethology, Ecology and Evolution}
}