1987] 
Letourneau & Choe — Wasps and ants 83 
Fig. 1. Parachartergus fraternus, a polistine wasp (ca. 13 mm): A, on the nest; B, tending nymphs of a membracid, 
Aconophora ferruginea, on Piper auritum; C, tending adults and nymphs of an aetalionid, Aetalion reticulatum, on 
P. auritum. Photographs by Jae C. Choe. 
