DIGITAL FIELD GUIDE: WASPS (Order: Hymenoptera)
Couplet #14 Entire Key at a Glance
<-- from Key Location 13a
14a: Wasp about 1 inch long; abdomen is an elongated oval with several segments of more or less equal size.
--> Go to Polistes sp.
14b: Wasp about ½ inch long; abdomen is a bulb on a thickened stalk, the first segment is much longer than all the others together, forming a sort of skirt with the remaining segments protruding from beneath.
--> Go to Eumenes sp.
14c: Wasp about ¼ inch long; abdomen is an elongated bulb and closely attached to the thorax (not on a distinct stalk); body is black with yellow, pale yellow, or white patches on shoulders, dorsal thorax, ventral abdomen, and face.
Parancistrocerus pensylvanicus
--> Go to Eumeninae group
See your wasp? Then click on the photo! Otherwise, click the appropriate "Go to" link on the right.
