University of Illinois Extension
University of Illinois Extension - Selecting Shrubs for Your Home
Nantucket Pine Tip Moth
Rhyacionia frustrana
Severity: 3 out of 5
Frequency: 2 out of 5
Symptoms: Tips of branches die back. Close examination reveals pitch covering the base of the needles. Breaking open the shoot will reveal that the tip has been hollowed out. Annual infestations result in reduced growth and bushiness due to increased lateral bud growth.
Cycle: This insect usually has several generations per growing season.
Management: Prune out and destroy the dead branch tips. If necessary use a recommended insecticide.
Associated shrubs: