Patrick (PJ) Liesch
Extension Entomologist; Director, Insect Diagnostic Lab
He/His
Insect Diagnostics Lab
240 Russell Labs
1630 Linden Dr
Madison, WI 53706
Twitter/X: @WisconsinBugGuy

The Wisconsin Bug Guy:
Patrick (PJ) Liesch—the Wisconsin Bug Guy—is the director of the UW-Madison Insect Diagnostic Lab. PJ holds degrees in biological sciences (B.S., UW-Parkside) and entomology (M.S., UW-Madison). PJ is also involved with the Wisconsin Master Gardener Program and the First Detector Network. In addition, he is an instructor in the Wisconsin Pesticide Applicator Training and UW Farm and Industry Short Course programs. PJ is also a regular guest on Wisconsin Public Radio’s Larry Meiller Show.
PJ regularly speaks at a number of workshops, field days, expos and other events. To inquire about PJ’s availability for a given event, contact him via email.