Family Geometridae Rank Species | ||
Prorella discoidalis is a moth in the family Geometridae. It is found in Arizona, New Mexico and Utah.
The wingspan is about 17 mm. The forewings are grey, with a very large black discal spot. The cross lines are faint and are indicated by short streaks on the veins. There seem to be two generations per year with adults on wing in June and again in August.
References
Prorella discoidalis Wikipedia(Text) CC BY-SA