Potato leafhopper (PLH; Empoasca fabae) is a small insect that is easily overlooked until the damage called “hopperburn” starts showing up on plant leaves. Potato […]

At this time, most vineyards are in bloom with specific grape varieties being at different stages of bloom. Bloom in grape (Figure 1) is somewhat […]

In the last couple of weeks, we have detected, at several marshes, the presence of very small leafhopper nymphs that are most likely blunt nosed […]

Caseload at the UW Insect Diagnostic Lab (IDL) has greatly increased over the last two weeks and is now at levels of a typical busy […]

The first galls caused by grape phylloxera (GP; Figure 1) were observed this week at the WMARS and it is recommended to start scouting for […]

Eastern flower thrips (ETF; Fig 1) have been reported at one of our strawberry research sites in Dane county. As mentioned in our last issue […]

Caseload at the UW Insect Diagnostic Lab (IDL) has increased over the last two weeks and is expected to increase further over the next two […]

Setting up monitoring traps and starting sampling/sweeping protocols for tarnished plant bug (TPB; Fig 1), Eastern flower thrips (ETF; Fig 2) and two-spotted spider mites […]

Grape plume moth may start showing up in vineyards soon, though it is a sporadic insect in vineyards in the Midwest. The characteristic injury is […]

Caseload at the UW Insect Diagnostic Lab (IDL) has increased slightly over the last two weeks.  Reports to the diagnostic lab are expected to increase […]