caterpillars on gum trees

My gum trees new growth has been infested with eggs and yellowish caterpillars with black heads. I have removed all I can. What can I spray them with to protect them?

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1 Comment To "caterpillars on gum trees"

#1 Comment By Nikki On 11/27/2011 @ 9:29 am

I am uncertain of the pest that is attacking your plants, but caterpillars and worms can typically be killed either by using Bt or neem oil. Here is more information: https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm ^[1]
https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm ^[2]

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[1] https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm: https://www.gardeningknowhow.com/plant-problems/pests/insects/prevent-caterpillars.htm

[2] https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm: https://www.gardeningknowhow.com/plant-problems/pests/pesticides/neem-oil-uses.htm

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