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Arborvitae Bud Browning in Massachusetts: Likely Moth Larvae

Five-foot 'Dark American' arborvitae planted 2009 in MA, now 7–8 ft. Some buds brown, fall off when touched. Dry, warm summer.

Expert Referral

Not a fern/pest specialist. Suggests AllExperts 'Pests' category for moth larva identification and treatment.

Arborvitae bud browning often = moth larvae. Need pest expert for specific ID and control.

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