WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
noun.
insects having two pairs of membranous wings and an ovipositor specialized for stinging or piercing
Word Usage
"This seems to be the case with the busy hymenopter generally in the highlands of Africa; the lowland swarms have been the terror of travellers from Mungo Park's day to that of the first East African Expedition."