A solitary wasp which builds a flask-shaped nest of mud into which it seals an egg and a supply of food for the larva.
Genus Eumenes, family Eumenidae: many species, including E. coarctatus of European heathland
 Example sentencesExamples
-  Potter wasp egg chambers look like tiny, rough-thrown pots about half an inch wide.
 -  In answer to the implied question, potter wasp females stock these pots with paralyzed caterpillars.
 -  These Potter Wasps look similar to other species of Mud-Dauber Wasps that we found but they build mud nests with a different shape.