Many apple cultivars a susceptible to pre-harvest drop, which refers to the process where fruit falls from the tree prior to harvest. The production of […]

The caseload at the UW Insect Diagnostic Lab (IDL) has remained high over the last two weeks.  Reports of fruit crop insect activity submitted to […]

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

Dear Fruit Grower Community, By the time you read this, I will have retired from my 24-year career in fruit pathology at UW-Madison. As I […]

The PDDC receives samples of many plant and soil samples from around the state. The following diseases/disorders have been identified at the PDDC from July […]

Japanese beetles (JB; Figure 1) started to emerge about 2 weeks ago, probably about a week later than in the past couple of years. As […]

The caseload at the UW Insect Diagnostic Lab (IDL) has been high over the last two weeks.  Reports of fruit crop insect activity submitted to […]

Spotted wing drosophila are active- female flies were first caught last Tuesday in Southern Door and numbers have greatly increased throughout the week. They have […]

Common Name:           Black stem borer aka Asian ambrosia beetle Order:                              Coleoptera Family:                            Curculionidae Scientific Name:          Xylosandrus germanus (Blandford) The black stem borer […]

The caseload at the UW Insect Diagnostic Lab (IDL) has been high over the last two weeks.  Reports of fruit crop insect activity submitted to […]