- Adult: Soft-bodied, pale yellow to pale green with dark eyes and black legs. Smaller than most other aphid species.
- Nymphs: Similar to the adults but smaller and wingless.
- Eggs: Females lay eggs (in the fall) and also give birth to live young (in the spring and summer).
Timing of damage: All season but peak during mid- to late summer
Type of damage: Yellow streaks on leaves where aphids have sucked out the sap.
Scouting: Check undersides of leaves for greenbug presence.
Economic threshold: Treat at first signs of damage.