TY - JOUR TI - Nectarinella xavantinensis, a new neotropical social wasp (Hymenoptera: Vespidae; polistinaes) PY - 1997 AU - Mateus, Sidnei AU - Noll, Fernando T2 - Journal of the New York Entomological Society PP - New York VL - 105 IS - 1-2 SP - 45-49 ER -