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 […]

I received last week some pictures of these very interesting larvae within their casing made of grass blades and twigs (Figs. 1 and 2). The […]

The first spotted-wing drosophila (SWD; Fig 1) was collected June 9th in one of our monitoring trap serviced by Hanna McIntosh for our mulch study.  […]

Black stem borer (BSB), Xylosandrus germanus, also known as the alnus ambrosia beetle, is an invasive beetle from Asia (primarily Japan, Korea, Vietnam, China, and […]

The scouting this week at the West Madison Agricultural Research Station did not result in any insect activity to report. Only one grape phylloxera gall […]

Caseload at the UW Insect Diagnostic Lab has increased steadily over the last two weeks and is expected to continue to increase in the near […]

As we resume our scouting at the West Madison Research Station, we only noticed one instance of damage caused by the feeding of a flea […]