Worm eating apple tree leaves - Knowledgebase Question

Auburn, Ca
Question by wmchovis
September 16, 2009
I found 12 worms eating my leaves on our apple tree. The worms have a red head and red stripe and are green with yellow orange color.What should I spray to kill them? Thanks, Marcia

Answer from NGA
September 16, 2009


I can't identify the caterpillars by your description but the botanical Bt (bacillus thuringensis) sold as Dipel or Thuricide effectively controls caterpillars without harming beneficial insects. Use according to label directions. Best wishes with your apple tree.

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