We do see grape flea beetles in our vineyard at the start of budbreak but this year seems to be quite the infestation. We have not seen this since we first planted our vineyard in 2013. At that time I captured the best picture of the flea beetle with my film camera. You can check out this blogpost: Grape Flea Beetle.
In that blogpost I showed the damage that the grape flea beetle can do to leaves. It is the larval form that does the most damage. Typically the grape flea beetle can be found on grapevines closest to the edge of the vineyard, but this year, we are seeing the beetle in the entire vineyard. Here is the activity that they are engaged in:
A lot of the beetles are mating and boring holes into the buds to lay their eggs. We have been squashing the beetles when we see them but other then that, we are not using chemical means to get rid of the beetles. We will monitor our vineyard to see if they are causing any real damage.

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