University of Wisconsin–Madison

Tag: imported cabbageworm

Vegetable Crop Update – May 25, 2026

In this issue: Vegetable Insect Update – Russell L. Groves, Professor and Associate Department Chairperson, UW-Madison, Department of Entomology, 608-262-3229 (office), (608) 698-2434 (cell), e-mail: rgroves@wisc.edu, Vegetable Entomology Webpage: https://vegento.russell.wisc.edu/ Imported cabbageworm – Pieris rapae https://vegento.russell.wisc.edu/pests/cabbage-maggot/ Also known as cabbage whites or small whites, cabbage loopers and diamondback moths are the three most significant caterpillar …

Vegetable Crop Update – Aug 3, 2025

In this issue: Potato production updates and weather review | Imported Cabbage Worm and Squash Bug updates and management | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | Nicotianae blight of potato – a late blight ‘look alike’

Vegetable Crop Update – Jul 6, 2025

In this issue: WI DATCP Pest Survey, Imported Cabbageworm | Disease forecasting updates for potato early blight and late blight | Cucurbit downy mildew updates | UW Hancock Agricultural Research Station Field Day Agenda 2025

Update 8 – Jul 7, 2024

In This Issue: Potato and vegetable disease forecasting updates – thresholds met for late blight and early blight treatments. Cucurbit downy mildew. Tomato bacterial spot. Imported Cabbageworm, WI DATCP Pest Surveillance resources, Corn Earworm, Western Beet Cutworm management and updates.

Update 2 – May 26, 2024

In this issue: 2024 Commercial Vegetable Production in Wisconsin Guide (A3422). Potato and veg disease forecasting in 2024 update. Aphids, flea beetles, cole crop and imported cabbage worm, and Colorado potato beetle updates and management.

Update 10 – July 23, 2023

In This Issue: Potato and tomato early blight and late blight disease updates Cucurbit downy mildew updates Two-spotted spider mites, European corn borers, and caterpillar pests of cole crops   Amanda Gevens, Chair, Professor & Extension Vegetable Pathologist, UW-Madison, Dept. of Plant Pathology, 608-575-3029, Email:  gevens@wisc.edu, Lab Website: https://vegpath.plantpath.wisc.edu/ Early blight of potato/tomato.  Accumulations of …

Update 17 – Aug 13, 2022

In This Issue:
• Potato production updates
• Cole crop caterpillar pests
• Caterpillar pests on vegetables
• Potato disease risk values and management
• Cucurbit downy mildew
• Basil downy mildew