Extension > Garden > Diagnose a problem > What's wrong with my plant? > Deciduous > Sumac > Holes in leaves or parts of leaves missing
Sumac > Leaves > Holes in leaves or parts of leaves missing
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- Young larvae feed in groups and skeletonize leaves by eating the leaf tissue and leaving the veins.
- As larvae mature, they become solitary feeders and eventually eat the entire leaf.
- Larvae are active from late July through early September.
- They have black heads with striped body covered with fine white hairs and a bright yellow spot behind the head.
- More information on Yellownecked caterpillar
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Four-lined plant bug
- Small, round depressed spots which may be brown, black or translucent on leaves
- Dead plant tissue may fall out causing a "shot hole" effect
- Newly hatched nymphs are red with black wing pads and become yellowish green with a black stripe on each wing pad as they develop
- Adults are 1/2 inch long, yellowish to yellow green in color with four longitudinal black stripes on the wing covers
- More information on four-lined plant bug