a gelechiid moth, Phthorimaea operculella, the larvae of which feed on the leaves and bore into the tubers of potatoes and other solanaceous plants.
Yams Vs. Sweet Potatoes: What’s The Difference?If you're not arguing about politics or whether or not it's time for Grandma to get some more grandchildren, there's one topic that's always guaranteed to make a splash at the Thanksgiving dinner table: Are those yams or sweet potatoes in your holiday casserole?
Origin of potato moth
First recorded in 1890–95
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019