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 […]

In 2021, the PDDC continues with limited hours and limited sample processing capacity due to COVID-19.  Click here for the PDDC’s current submission policy.  The […]

Please take 5 minutes to fill out this survey about management practices for spotted-wing drosophila and tarnished plant bug in berry crops. We appreciate your […]

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 WiBee project is looking for cranberry surveys! Last year cranberries were our best represented crop with 78 surveys but we only have 12 this year […]

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 […]

Japanese beetles have barely started to emerge in Wisconsin and they have become worrisome for apple growers in the last couple years. Japanese beetles are […]