The Basics:

  • Does it sting? No. This caterpillar is harmless. 

  • What does it eat? Many garden plants

  • Will it seriously damage plants or trees? Yes, if there are enough of them

  • Is it rare? No.

  • What does it turn into? A cool little moth with a silver metallic mark

  • Can you raise it to an adult? Yes

Cabbage Looper Moth

This is a very common garden pest species found on cabbage and other plants. In a way, it's the moth counterpart of the cabbage butterfly. The cabbage looper, or Trichoplusia ni, is common in Eurasia and North America. The adult moth is migratory, moving across large distances when the population expands. The caterpillar is green and chubby and can be found in the crowns of broccoli and in the inner leaves of cabbage. If you find them, pick them off. Pesticides don't work well with species like this.

Trichoplusia ni

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