Sunflower Plants
Q.

What insect is laying eggs in the upper leaf stems and back of the heads of my sunflowers?

Zone Lebanon, TN | krystaljade added on June 23, 2018 | Answered

There were protruding deformities near the upper stem and in the back of the heads of my sunflowers. I cut them open and these nasty larvae (some brown, some yellow) were inside these pod-like holes. Some of the younger sunflower heads with these did not develop and there is only an egg/larva pod where the head should be.

A.
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BushDoctor
Certified GKH Gardening Expert
Answered on June 23, 2018

It is, most likely, the sunflower moth. This article will help: https://www.gardeningknowhow.com/ornamental/flowers/sunflower/sunflower-problems.htm

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krystaljade
Answered on June 24, 2018

Thanks, BushDoctor. I had been googling descriptions and images for the past 2 weeks. I was thinking Sunflower Midge, but wanted to ask as this is my first time growing sunflowers :) I never saw any caterpillars, but maybe because I cut them off before they had time to mature.

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