CANKERWORMS
- Fall Cankerworm
- Spring Cankerworm

Cankerworms

Plant Damage / Signs:
  • Young Larvae feed on buds and unfolding leaves
  • Feeding removes most of leaf
  • Often midrib of leaf remains after feeding


    • Insect / Signs:
  • Larvae green or dark in color
  • Larvae often drop from tree on silk strands


    • Related Problems:
  • Many species of loopers, spanworms and
        inchworms similar and feed on variety of
        ornamentals, Linden Looper is one example
        of a looper.
    		•  Plants:
     Many plants, but common on
  • Apple
  • Beech
  • Elm
  • Linden
  • Oak


    • Timing:
  • Spring - as growth starts


    • Generations / Year
  • 1
    		•