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Photo#57226
leafhopper - Oncopsis flavidorsum - male

leafhopper - Oncopsis flavidorsum - Male
Athol, Worcester County, Massachusetts, USA
June 11, 2006

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leafhopper - Oncopsis flavidorsum - male leafhopper - Oncopsis flavidorsum - male

Oncopsis male
Need a host or an associated female for positive identification. I expect that this is O. flavidorsum, on alder, in which case the female should be brown or pallid with a yellow triangle across the folded wings.

 
This one was on
a daisy, or similar plant out in a field. There was plenty of alder at the edges of the woods.

 
Oncopsis flavidorsum
It is almost certainly on alder. Watch for the females - they are both brightly colored and highly variable. The most common forms are orange to brown with a yellow "V" that takes up most of the wings where they fold over the back, or entirely yellow except for the glassy outer thirds of the wings; but there are also black forms with the yellow "V", or (very rarely) the yellow may extend across the body as well, leaving only the outer edges of the wings black.

 
I'll look around at the alder
and see if I can get a shot of a female. Thanks Andy.

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