Patrick (P.J.) Liesch is currently serving as the interim manager of the UW-Madison Insect Diagnostic Lab. He can discuss population levels of various insects in Wisconsin, including mosquitoes.

His contact information is available on the Insect Diagnostic Lab webpage.

P.J. 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.