Navel orangeworm: Summer infestations of codling moth on walnuts favorable to navel orangeworm

Summer walnuts infested with the codling moth furnish breeding locations for the navel orangeworm and—as a result—a population of moths is present in the orchard when the husks begin to crack as the harvest period approaches. The caterpillars of the navel orangeworm are unable to penetrate the green...

Full description

Bibliographic Details
Main Authors: A Michelbacher, N Ross
Format: Article
Language:English
Published: University of California Agriculture and Natural Resources 1957-07-01
Series:California Agriculture
Online Access:https://californiaagriculture.org/article/113996-navel-orangeworm-summer-infestations-of-codling-moth-on-walnuts-favorable-to-navel-orangeworm