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The Ultronia Underwing

Moths of Pennsylvania

This is a Catocala ultronia

These are Catocala ultronias, they members of the underwing family.



This is an Ultronia Underwing, or Catocala ultronia. It is a medium sized underwing moth, with a wingspan of 4.6-6 centimeters. Note the difference between the moth with its wings closed, below, and with the hind wings showing, to the right. These striking underwings are used to scare off would-be predators.

Ultonia underwings feed on apple and cherry trees.