Grubs & Other Root Feeding Pests

Grubs and other root-feeding insects can cause poor seedling growth and even death. Diagnosing what is wrong requires pulling up the tree and examining the roots during the growing season.

Online Information


CTN 8: Control of Root-Feeding Insects in Fraser Fir Christmas Trees - fact sheet on white grubs, black vine weevils, and root aphids

Scouting for White Grubs

Additional Pests to Recognize  - including root aphids

Grubs - Facts at a Glance - quick facts about white grubs (1-page pdf version with photos)

White Grubs in Turf - NC State Extension information on white grubs

Entomology Insect Notes: Black Vine Weevil - biology and control of black vine weevils

Photo Gallery

seedlings killed by grubs
severe grub damage
white grub
green_junebeetle
rootweevil
root aphid trees
root aphids 2
root aphids
root aphid
individual root aphid
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Jill Sidebottom