Russian wheat aphid


  • Adult: Small, lime green, spindle-shaped aphid with short antennae.
  • Nymphs: Like adults but smaller and wingless.
  • Eggs: Females do not lay eggs but give birth to live young. 

Timing of damage: All growing season but particularly spring and fall

Type of damage: Streaked and/or rolled leaves and fishhooked heads.

Scouting: Check at least 10 plants in four areas of the field for aphid presence. 

Economic threshold: Aphids present on at least one in 10 plants in more than one area of the field.

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