As we are begin to see veraison on some grape varieties, social wasps are starting to show up at some vineyards we visited last week. […]

Caseload at the UW Insect Diagnostic Lab has been high over the last two weeks.  A summary of recent fruit crop insects reported to the […]

Apple maggots started emerging in Wisconsin orchards and will continue to do so for the next several weeks. Numbers are increasing and growers should consider […]

Thank you very much to everyone who sent in surveys this year. We had a slow start, and we heard reports that pollinators were also […]

Red-headed flea beetle (aka cranberry flea beetle; Systena frontalis) adults (Fig 1) started showing up at some marshes in the second week of July. It […]

Black stem borer (BSB) BSB, Xylosandrus germanus, also known as the alnus ambrosia beetle, is an invasive beetle from Asia accidentally introduced into central Europe […]

Populations of spotted wing drosophila (SWD; Figure 1) are likely to increase in the next few weeks as is the normal progression of this insect […]

Caseload has been high at the UW Insect Diagnostic Lab over the last two weeks.  A summary of recent fruit crop insects reported to the […]

The UW Insect Diagnostic Lab is in full “summer mode” based on the high caseload coming into the lab.  A summary of recent fruit crop […]

Japanese beetles (Fig. 1) have now been observed last weekend around Dane county, but not yet at any of the vineyards we are monitoring for […]