What's eating my swedish whitebeam?

Swedish Whitebeam is targeted by aphids, winter moth caterpillars, and sawfly larvae outdoors. Birds and deer will take berries and browse young shoots. The biggest recurring threat is aphids, which colonize new growth each spring and can distort leaves and stems if populations go unchecked.

Clusters of soft insects on new shoots cause curled, sticky leaves and sooty mold on honeydew deposits. Blast off with a strong jet of water; introduce or encourage ladybirds and lacewings; use insecticidal soap spray for heavy infestations.

Small green caterpillars skeletonize and shred young leaves and flower buds in spring, reducing fruit set. Apply grease bands to the trunk in autumn to trap wingless females before they climb; hand-pick caterpillars; use Bacillus thuringiensis (Bt) spray.

Larvae spin silk webs over branches and devour leaves within the web, causing scorched-looking patches. Remove and destroy webbed clusters by hand in early summer; encourage parasitic wasps; use pyrethrin spray as a last resort.

Thrushes, blackbirds, and waxwings strip ripe berries, sometimes before harvest. Net smaller trees at fruit ripening; accept some loss on large specimens — birds provide natural pest control too.