Filtering by tag: Graphocephala versuta ✕

Green and orange leafhopper perched on the edge of a green leaf, facing downward

Grape Pest Survey- 2nd and 3rd Week of May

As we approach the 3rd week of May, the plants continue to fill in, and some fields have started to blossom. Numbers of the leafhopper Graphocephala versuta - a vector of Pierce's Disease - are…

Leafhopper with orange and blue longitudinal stripes resting on a green leaf

Grape Pest Survey - 3rd Week of April Through 1st Week of May

We have establishing grape pest monitoring locations and completed our first weeks of pest counts at three of our planned eight sites, and here we are reporting our observations for the past three…