hindmargin

plural hindmargins

1. The hindmost edge, especially when it differs in some property from the rest of the body part.

   The pronotum in bees is similar to sphecids, but it is always short and sometimes the hindmargin is concavely arcuate.

   1976, Richard M. Bohart, Richard Mitchell Bohart, Arnold S. Menke, Sphecid Wasps of the World: A Generic Revision, →ISBN, page 27

   1 more example

   All these characters separate N. niveimacula from a sympatric and closely related, unnamed Notocydia species with a narrower white band across the forewing, but also with a scale pencil along the hindmargin of the hindwing cell in the male.

   2006, Marianne Horak, Olethreutine Moths of Australia: (Lepidoptera: Tortricidae), →ISBN, page 415