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Well, not much has changed in the past few days. There aren't nearly
as many insects flying around as there were during blooming and with the
seeds developing birds will probably start causing problems.
It's not very difficult to walk through the field and see this type of head moth damage on the back of the heads. We'll probably continue to see this type of damage for the next couple weeks. Don't get me wrong, not every head has these symptoms but you can see them scattered around the field.
Well, I said there weren't as many insects in our field, but we still have some hanging around causing minor damage. These caterpillars are feeding on the leaves near the field's edge. We saw the same damage earlier in the summer by the same species. These are more painted lady caterpillars (not the same ones we saw before) chewing on the leaves.
Not all sunflower heads have a nice, uniform shape. Sometimes they have been damaged by insects, diseases, or even hail, which results in misshaped heads . It's difficult to say what exactly happened to cause this type of damage.