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Symptoms of Insect Attack

Chewed foliage or blossoms

  •  Larvae of moths and butterflies
  • Sawfly larvae 
  • Beetle larvae or adults 
  • Tree crickets, grasshoppers, and walkingsticks 
  • Snails and slugs 

Bleached, bronzed, silvered, stippled, streaked or mined foliage

  • Leafhoppers
  • Aphids
  • Lace bugs
  • Psyllids 
  • Plant bugs
  • Spider mites 
  • Thrips
  • Leafminers  

Distortion (swelling, twisting, or cupping of plant parts)

  • Thrips
  • Aphids 
  • Eriophyid mites 
  • Gall makers 
  • Psyllids

Dieback of twigs, shoots, or entire plant; stems, branches, and exposed roots sometimes with holes in bark

  • Wood borers
  • Bark beetles 
  • Scale insects 
  • Gall makers 
  • Root-feeding beetle larvae