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Originally Posted by H Dogg
Elymana Sulphurella There not my strong point though so be warned 
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Well I thought you were right, it looked so right!
I mentioned I had seen one on WAB and this was a reply
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Acutipuerilis
Hi goosey,
Thanks for pointing it out... however, Elymana sulphurella is just what it isn't! This is one of the species of Empoasca, and I can't quite make out enough to tell the two native ones (E. vitis and E. decipiens)apart. The radiating white markings on the head are the giveaway, but to separate the species you need to see whether one of the long cells on the forewing is clear rather than green. I think I can just see it, making it E. vitis, but really not positive.
While a lot of leafhoppers are very distinctive, this group of small ones, known as typhlocybines, contains many species and even genera that are indistinguishable without a very close examination... usually involving dissection. Colours can also be very variable, which doesn't help. The worst genus is Edwardsiana, with about 18 species of tiny, nondescript leafhoppers that all look the same...
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So it looks like it could be Empoasca vitis.