Robert N. Wiedenmann, director of the Center for Ecological Entomology at the Illinois Natural History Survey in Champaign, has accepted an appointment as professor and head of the entomology department in the University of Arkansas System's Division of Agriculture and the Dale Bumpers College of Agricultural, Food and Life Sciences at UA, Fayetteville, effective March 15.

In addition to his position with the Natural History Survey, Wiedenmann is assistant dean for Natural History Survey programs in the College of Agricultural, Consumer and Environmental Sciences at the University of Illinois, and is an adjunct faculty member in the UI departments of crop sciences, entomology, and natural resources and environmental sciences.

As center director, Wiedenmann leads a staff of 10 faculty members and 20 support professionals.

Wiedenmann will lead a UA department of entomology faculty of 17 based at Fayetteville, Little Rock and other locations.

Faculty members teach on the Fayetteville campus and conduct statewide division of agriculture research and Extension programs.

Fred Stephen has served as interim department head since January 2002, when former head Bill Yearian retired, and he will remain in the department.

The department includes the Arkansas Arthropod Museum, which has the most extensive collection of insects and other arthropods from the Ozark and Ouachita regions and the Mississippi River bottom forests of Arkansas.

Wiedenmann was 2003-2004 president of the North Central Branch of the Entomological Society of America and is president of the Nearctic Regional Section of the International Organization for Biological Control.

He has been appointed to the National Invasive Species Advisory Committee, which advises the federal departments of agriculture, commerce and interior on invasive species issues.

A native of Allentown, Pa., Wiedenmann has B.S. and Ph.D. (1990) degrees from Purdue.

He was a research associate and assistant research scientist in the entomology department at Texas A&M from 1990 to 1994.

He joined the Center for Economic Entomology, Illinois Natural History Survey, as an associate professional scientist in 1994.