Corn Earworm Alert for Processing Sweet Corn Eileen Cullen, Extension Entomologist The Wisconsin DATCP Wisconsin Pest Bulletin’s Corn Earworm pheromone trap network has registered a significnat and accelerating August corn earworm (CEW) migration flight. As reported …
Insects & Mites
Study Confirms Resistance of Western Corn Rootworm Field Populations Bt CRW Corn in Northeastern Iowa
Study Confirms Resistance of Western Corn Rootworm Field Populations Bt CRW Corn in Northeastern Iowa Eileen Cullen, Extension Entomologist An Iowa State University entomologist research group led by Aaron J. Gassmann reported development of resistance …
Western Bean Cutworm Emergence Just Peaking in North-Central and Northeastern Counties
Western Bean Cutworm Emergence Just Peaking in North-Central and Northeastern Counties Eileen Cullen, Extension Entomologist The WI DATCP Wisconsin Pest Bulletin reported August 4th the phenology model for Western Bean Cutworm moth emergence suggests that 75% …
Twospotted Spider Mite Potential on Soybean in Dry Areas
Twospotted Spider Mite Potential on Soybean in Dry Areas Eileen Cullen, Extension Entomologist On July 22 Phil Pellitteri, UW-Madison Insect Diagnostic Clinic, received a report (confirmed with a plant sample) of twospotted spider mite on …
Japanese Beetle – Scouting and Thresholds for Soybean and Corn
Japanese Beetle – Scouting and Thresholds for Soybean and Corn Eileen Cullen, Extension Entomologist Questions have come in this week concerning Japanese beetle on soybean and corn. There is one generation of Japanese beetle per …
Western Bean Cutworm Moth Flight Has Begun
Western Bean Cutworm Moth Flight Has Begun Eileen Cullen, Extension Entomologist The annual flight of western bean cutworm (WBC) moths began this past week. The first moths of the season were recorded June 23-29 in Adams, …
Brown Marmorated Stink Bug
Brown Marmorated Stink Bug Bryan Jensen, IPM Program The Brown Marmorated Stink Bug (BMSB), Halymorpha halys, is an invasive, exotic insect pest recently introduced into the United States (Pennsylvania, 2001), and even more recently in …
Biological Control Parasitoid Released for Emerald Ash Borer Does not Harm Honeybee Colonies
Biological Control Parasitoid Released for Emerald Ash Borer Does not Harm Honeybee Colonies Eileen Cullen, Extension Entomologist Entomolgists with University of Wisconsin-Madison and USDA APHIS have initiated a biological control program for Emerald Ash Borer. …
Western Bean Cutworm Egg Masses and Larval Hatch- Scout Field and Processing Sweet Corn Fields
Western Bean Cutworm Egg Masses and Larval Hatch- Scout Field and Processing Sweet Corn Fields Eileen Cullen, Extension Entomologist Careful field scouting in field corn and processing sweet corn for western bean cutworm egg masses …
Scout Soybean for Soybean Aphid
Scout Soybean for Soybean Aphid Eileen Cullen, Extension Entomologist Soybean aphids have been present on soybean at low levels (below the economic threshold of 250 aphids per plant) at various locations in the state for …