Corn Rootworm Beetle Emergence and Feeding in Corn Fields Eileen Cullen (Extension Entomologist) Because corn rootworm beetles can reduce yield by silk pruning, it is important to scout cornfields before and during early pollination. This …
Insects & Mites
Dry Weather Increases Risk of Twospotted Spidermite
Dry Weather Increases Risk of Twospotted Spidermite Eileen Cullen (Dept. of Entomology) Drought conditions are favorable for two-spotted spider mite outbreaks. Dry weather, low humidity and temperatures exceeding 85°F are associated with spider mite population …
Questions About Whiteflies in Soybean
Questions About Whiteflies in Soybean Eileen Cullen (Dept. of Entomology) Whiteflies have been reported over the last week from a farmer call to Carl Duley, Agriculture Agent, UW-Extension Buffalo County in western Wisconsin. I also …
Wisconsin Pest Bulletin 6/28/12
Wisconsin Pest Bulletin 6/28/12 Issue No. 12 of the Wisconsin Pest Bulletin is now available at: http://datcpservices.wisconsin.gov/pb/index.jsp PRINT THIS ISSUE I N S I D E T H I S I S S U E LOOKING …
Video Showing Potato Leafhopper Scouting in Alfalfa
Video Showing Potato Leafhopper Scouting in Alfalfa [youtube]http://www.youtube.com/watch?v=36GxwsXhLGg[/youtube] Bryan Jensen, University of Wisconsin Integrated Pest Management Program, takes you into the field to show you how to scout and manage potato leafhopper in alfalfa fields. …
Variegated Cutworm Update
Variegated Cutworm Update Bryan Jensen (IPM Program), Eileen Cullen (Dept. of Entomology) The calls and emails continue to come regarding variegated cutworm damage. This has been, to say the least, an unexpected and unprecedented infestation …
Wisconsin Pest Bulletin 6/14/12
Wisconsin Pest Bulletin 6/14/12 Issue No. 10 of the Wisconsin Pest Bulletin is now available at: http://datcpservices.wisconsin.gov/pb/index.jsp PRINT THIS ISSUE I N S I D E T H I S I S S U E LOOKING …
Aster Yellows Was Confirmed in Oat
Aster Yellows Was Confirmed in Oat Shawn Conley As a followup to last weeks article entitled Oat and Necrotic Leaf Tips and Margins Dr Russ Groves Lab PCR confirmed the presence of aster yellows in …
Variegated Cutworm on Alfalfa
Variegated Cutworm on Alfalfa Bryan Jensen, IPM Program I have received a number of phone calls and emails regarding variegated cutworms on alfalfa. This damage is likely from migrating moths although some overwintering is likely. …
Black Cutworm Decisions in Corn and a Word About Soybean
Black Cutworm Decisions in Corn and a Word About Soybean Eileen Cullen, Extension Entomologist Black cutworm larvae and plant cutting have been occurring in V5 or smaller corn since early June with economic infestation reported …