@article{article2370888d,
title   = {Morphological caste differences in the neotropical swarm-fouding polistine wasps. IX. Polybia (Myrapetra) occidentalis (Hymenoptera: Vespidae)},
author = {Noll, Fernando Barbosa and Yamane, Sôichi},
year = {2000},
journal   = {Entomological Science}
}