CLOSED: Little black bugs on sunflowers!

Alexandria, KY

Does anyone know what these guys are? There are lots of them on the undersides of the leaves on my sunflowers! I don't really see any signs of damage though. I've also noticed a lot of big ants all over the plants, which made me think of mealybugs but these little bugs aren't white and fuzzy!

Thumbnail by mcbritt
Minot, ND

These are young nymphs of a planthopper or leafhopper; the ants are attracted by a sugary substance (honeydew0 secreted by the nymphs. See 6 August at https://6legs2many.wordpress.com/tag/planthoppers/

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