Roses
Q.

What are these insects on my rose plant? Please help.

Anonymous added on November 24, 2019 | Answered

These insects are on my rose plants for a long time. I tried cutting off the leaves, but these insects are on the new leaves too. The leaves look white.

A.
A.Answers to this queston: Add Answer
GKH_Susan
Certified GKH Gardening Expert
Answered on November 24, 2019

I'm going to say sawflies because of the whitish looking damage to the leaves. Sawfly larvae just eat the top layer of the leaves. You can use insecticides such as horticultural oil, insecticidal soaps or neem oil. Do not use Bt as it will not work on sawfly larvae, which may look like caterpillars but they are not. If it's not sawflies, those insecticides should still work.

https://www.gardeningknowhow.com/plant-problems/pests/insects/sawfly-insect-control.htm

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