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NC State Extension

Balsam Twig Aphid

More insecticides are used to control the balsam twig aphid than any other pest in Fraser fir grown in western North Carolina. Scouting is key to twig aphid management. Managing ground covers are important in providing a habitat for predators.

Online Information

CTN 19: Balsam Twig Aphid on Fraser Fir – fact sheet with life cycle, scouting, threatment thresholds, and pesticide choices

Focus on Aphid Control – includes control of twig aphids and Cinara aphids

BTA – Facts at a Glance – quick facts about twig aphids (1-page pdf version with photos)

Pest Predators – many of which feed on twig aphids

Videos

Scouting for Twig Aphid Eggs – how to scout for eggs through the summer and winter to simplify scouting in the spring
Twig Aphid Scouting Tips – ways to make twig aphid spring scouting more successful

Scouting for Christmas Tree Predators – including twig aphid predators

Photo Gallery

Other On-Line Resources:

InfluentialPoints information of Mindarus abietinus

Pucerons des Pousses du Sapin – Information from Quebec on twig aphids. This publicaiton is in french but has excellent photos and graphics.