What's That Bug? does not endorse extermination

I can’t tell you what a find you were on the internet. Today, I was photographing insects on milk weed. I found six different insects. These three are not in any of my books. I think it is a leaf hopper but can’t find it in any books or on the internet. They where in Orland Grassland in Orland Park Illinois.Thanks again… you are great!
Suzanne

Hi Suzanne,
It is definitely a Leafhopper. WE thoughth the description of Oncometopia undata fit. It is described, according to Comstock as: “a common species. Its body, head, fore part of the thorax, scutellum, and legs are bright yellow, with circular lines of black on the head, thorax, and scutellum. The fore wings are bluish purple, when fresh, coated with whitish powder. It measures 12 mm. in length. It is said to lay its eggs in grape canes, and to puncture with its beak the stems of the bunches of grapes, cuasing the stems to wither and the bunches to drop off.” We then did a websearch and found a photo on BugGuide.net that supported our supposition. Then we found a photo in our Audubon Field Guide that identifies it as Oncometopia nigricans and calls this large leafhopper a Sharpshooter.

What's That Bug? does not endorse extermination

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