Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The Navel Orangeworm (Amyelois transitella) is a moth of the Pyralidae family. It is native to the south-western United States and Mexico and was first described from Arizona in 1899.The wingspan is 9.7 to 10.9 mm. Adults are on wing from the end of March to the end of October in California.The larvae are considered a commercial pest of a number of crops, including Juglans regia, Ficus carica, Prunus dulcis and Pistacia vera.