Spider Mites June 22, 2017 - From Issue: 630 By: Rick Foster Read More We have received a number of reports of spider mite problems lately. Some of them have been on crops grown in high tunnels, particularly tomatoes and cucumbers. High tunnels are[Read More…] Article Categories: Vegetable Crops – General Article Tags: Insect and Mite Management
Striped Cucumber Beetles June 22, 2017 - From Issue: 630 By: Rick Foster Read More Populations of the overwintering generation of striped cucumber beetles are just about at their peak levels right now (Figure 1.). For muskmelons and cucumbers, this generation is the one that[Read More…] Article Categories: Cucurbits Article Tags: Insect and Mite Management
Video—Installing High Tunnel Insect Exclusion Screen May 21, 2017 - From Issue: 628 By: Laura Ingwell One of the most damaging pests in cucurbit production are cucumber beetles and the bacterial pathogen they transmit (Erwinia trachephila), leading to bacterial wilt. In the recently released video, Dr. Laura[Read More…] Article Categories: Cucurbits Article Tags: Greenhouses & High Tunnels Insect and Mite Management
Seed and Root Maggots May 10, 2017 - From Issue: 627 By: Rick Foster Read More I received my first report of seedcorn maggot damage on cantaloupes last week (Figure 1 and 2). A grower in northern Indiana reported losing 90-95% of his plants. Given the[Read More…] Article Categories: Cucurbits Cantaloupe Article Tags: Insect and Mite Management
Black Cutworm April 26, 2017 - From Issue: 626 By: Rick Foster Read More We have had substantial black cutworm moth (Figure 1.) catches in our pheromone traps. Black cutworm moths typically lay their eggs on winter annual weeds growing in un-tilled fields. When[Read More…] Article Categories: Vegetable Crops – General Article Tags: Insect and Mite Management
Flea Beetles April 26, 2017 - From Issue: 626 By: Rick Foster Read More Many of our vegetable crops are attacked by one or more species of flea beetles (Figure 1). All species do similar types of damage, chewing small holes in the leaves.[Read More…] Article Categories: Cole Crops Article Tags: Insect and Mite Management
Cabbage Caterpillars April 26, 2017 - From Issue: 626 By: Rick Foster Read More Crucifers such as cabbage, cauliflower, and broccoli are frequently attacked by a variety of caterpillars, with the most important being the imported cabbageworm, diamondback moth, and cabbage looper. The first[Read More…] Article Categories: Cole Crops Article Tags: Insect and Mite Management
Armyworms April 26, 2017 - From Issue: 626 By: Rick Foster Read More We have had major flights of armyworm moths (Figure 1.), as evidenced by pheromone trap catches. Catches have been highest in the northeastern portion of the state. Armyworms prefer grasses[Read More…] Article Categories: Corn Sweet Corn Article Tags: Insect and Mite Management
Pheromones and Pheromone Traps April 13, 2017 - From Issue: 625 By: Rick Foster One way insects communicate with individuals of the same species is with pheromones. Pheromones are volatile chemicals released by an insect that usually can be detected only by individuals of[Read More…] Article Categories: Vegetable Crops – General Article Tags: Insect and Mite Management
High Tunnel Screening for Insect Pest Management March 15, 2017 - From Issue: 624 By: Laura Ingwell Read More Screening can be an effective measure to exclude unwanted pests from colonizing your crops. In high tunnels, one of the biggest challenges to successfully implementing exclusion screening is managing the[Read More…] Article Categories: Vegetable Crops – General Article Tags: Greenhouses & High Tunnels Insect and Mite Management