Tortricid Moth Info
: The caterpillars are generally smooth and hairless. A key diagnostic feature for many is an anal fork at the rear end, used to flick excrement (frass) away from their leaf shelters to avoid detection by predators. Life Cycle and Behavior
The family, commonly known as tortricid moths or leafroller moths , is a diverse group of roughly 11,000 species worldwide. They are primarily known for their unique larval behavior of rolling leaves into protective shelters , though they also include some of the most destructive agricultural and forest pests, such as the codling moth and spruce budworm. Key Identification Features tortricid moth
Tortricid larvae exhibit diverse feeding strategies that define their subfamilies: : The caterpillars are generally smooth and hairless
: They are arguably the most significant insect family affecting apple production; the Codling Moth is the famous "worm" found inside apples. They are primarily known for their unique larval
: Most are small "micromoths" with wingspans under 3 cm. Their forewings often have "squared-off" tips and feature mottled, marbled, or intricate brown and gray patterns for camouflage.
: If disturbed, leafrolling caterpillars often wriggle vigorously and may drop from their shelter on a silken thread to escape. Economic and Ecological Impact