Pest identification
What's eating my loblolly pine bonsai?
Pine needle scale (Chionaspis pinifoliae)
Signs: White scales encrusting long needles; yellowing; premature needle drop weakening the bonsai
Control: Horticultural oil in early spring; insecticidal soap for crawlers; repeat application in early summer
Pine tip moth (Rhyacionia frustrana)
Signs: Resin-covered dead shoot tips; larvae tunnel into new candles; distorted form in severe years
Control: Prune and discard infested shoots; systemic insecticide at bud-break in early spring
Aphids (Eulachnus spp.)
Signs: Honeydew on long needles; sooty mold; colonies clustered at base of needle bundles in spring
Control: Strong water jet; insecticidal soap spray; monitor new candle growth from March onward
Deer
Signs: Browsed needle tips; bark rub damage on trunk; physical breakage of branches on unprotected outdoor trees
Control: Place bonsai on a raised bench outdoors; use wire cages or deer-repellent spray on the foliage
Keep loblolly pine bonsai pest-free
Healthy plants resist pests best. Get the basics right:
Loblolly Pine Bonsai pests — FAQ
What is eating my loblolly pine bonsai?
Loblolly Pine Bonsai faces pine needle scale and pine tip moths as its most common threats. Aphids attack the long spring needles in flushes, and pine bark beetles can exploit any stressed or wounded specimen. When displayed outdoors, deer frequently browse young needles and rub against slender trunks during autumn.
How do I get rid of pine needle scale (chionaspis pinifoliae) on loblolly pine bonsai?
White scales encrusting long needles; yellowing; premature needle drop weakening the bonsai Horticultural oil in early spring; insecticidal soap for crawlers; repeat application in early summer
How do I get rid of pine tip moth (rhyacionia frustrana) on loblolly pine bonsai?
Resin-covered dead shoot tips; larvae tunnel into new candles; distorted form in severe years Prune and discard infested shoots; systemic insecticide at bud-break in early spring
How do I get rid of aphids (eulachnus spp.) on loblolly pine bonsai?
Honeydew on long needles; sooty mold; colonies clustered at base of needle bundles in spring Strong water jet; insecticidal soap spray; monitor new candle growth from March onward
How do I get rid of deer on loblolly pine bonsai?
Browsed needle tips; bark rub damage on trunk; physical breakage of branches on unprotected outdoor trees Place bonsai on a raised bench outdoors; use wire cages or deer-repellent spray on the foliage