1. UC IPM
Circular brown scar around button end of an immature orange caused by the larva of amorbia or western avocado leafroller, <I>Amorbia cuneana (= A. essigana),</I> feeding under the calyx when the fruit was young.
Circular brown scar around button end of an immature orange caused by the larva of amorbia or western avocado leafroller, Amorbia cuneana (= A. essigana), feeding under the calyx when the fruit was young.
Credit: Alan A. Urena