spider mite 3 MER copy.jpg

Two-spotted spider mite

Description

  • Adult: Mite that is tiny and oval in shape. Ranges in color from orange-red to green to translucent. Body contents are often visible through the body wall, looking like two dark spots.
  • Nymphs: Similar to adults but with four legs instead of eight.
  • Eggs: Round, clear and attached to fine silk webbing on the undersides of leaves. 
     

Timing of damage: VT to R5

Type of damage: Yellowing and defoliation of the leaves.

Scouting: Use a hand lens to check undersides of leaves for eggs, mites and webbing.

Economic threshold: One-third of the leaves on 50% of plants are covered with active mite colonies.

 

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