Western Bean Cutworm – Scouting and Management Timing Important this Year
Western bean cutworm (WBC) activity is trending higher this year than the previous three and could reach levels more similar to what we saw in 2018. WBC moth trap catches jumped this week by the 100s, with a few locations in Norfolk and east Elgin jumping into the 500 – 1000 moths per trap range. […]
Soybean Aphids and Western Bean Cutworm Activity
A few pests are starting to show up in fields. If you haven’t had a chance to take a look yet, plan to check those high risk fields that are prone to seeing soybean aphids (soybeans) or western bean cutworm (corn and dry beans) in the next week or so. Soybean aphids: Soybean aphids are […]
Should I spray my dry beans for western bean cutworm and if so, when?
co-authored by: Meghan Moran Western bean cutworm can significantly reduce the quality and yield of your dry bean crop. Below are best practices for minimizing this insect’s impact to your bottom line. The simple answer Spraying insecticide for western bean cutworm (WBC) control in Ontario dry bean fields is warranted only if ALL of the […]
Western Bean Cutworm Trap Catch Results as of Aug 3rd
Based on WBC trap counts, peak flight likely took place over the last 7 days. Though we never know for sure until a week later when moth catches really dropped. That said, comparing this year to previous years, it lands in the same week we have experienced peak flight since 2018 (Figure 1). Peak flight […]
Western Bean Cutworm Catches Increasing But Still Low Compared to Past Years
Western bean cutworm traps catches are starting to increase but are still low compared to previous years with more weeks of moth flight (and egg laying) to come. Those finding eggs in early tassel stage need to wait before spraying since eggs are still going to be laid for another few weeks. It is better […]
Time to Get Those Western Bean Cutworm Traps Up!
If you haven’t done so already, it is time to put up western bean cutworm traps to monitor for moth activity. The GLMPMN usually has more WBC traps up and reporting by now to help us understand when adults are active and likely laying eggs in corn or dry beans across Ontario. From the 100 […]
Western Bean Cutworm Catches are Climbing
Before I talked about the WBC trap data, I want to thank everyone who set up a trap this year and are entering their data into the network. Despite COVID-19, there are more than 1000 WBC traps in the system! That is a record and helps us figure out what the flight patterns are. Now […]
How to Upload Western Bean Cutworm Trap Counts
For detailed instructions on how to upload your Western Bean Cutworm (WBC) trap counts to the Great Lakes and Maritimes Pest Monitoring Network, please view this 5 minute video. The Great Lakes and Maritimes Pest Monitoring Network Dashboard mentioned in the video can be found HERE. See also: 2020 Great Lakes and Maritimes Pest Monitoring […]
Western Bean Cutworm 2020 Infosheets – Corn and Dry Beans
It is still too early to predict what western bean cutworm (WBC) might do this year but to help prepare, we have updated the WBC infosheets for 2020. 2020 WBC Infosheet for Corn 2020 WBC Infosheet for Dry Beans WBC activity was delayed in 2019, in step with the delay in growing degree day (GDD) […]
Western Bean Cutworm Trapping Resources
Western bean cutworm trapping will be starting in early June. For those who are interested in trapping this year, I have provided a few resources below including Trap Set up and Monitoring Instructions, and a Trap Supply Checklist and Trap Supply Companies document. Those setting up trap sites are encouraged to include the traps on […]
Western Bean Cutworm Lower Than Previous Years – Scouting is Really Paying Off
If ever there was a year to get out and scout before making a management decision, it is this year. Western bean cutworm trap catches have been much lower than previous years (Figure 1). Yes, many saw significant increase this past week, but they are still not at levels we would normally see during this […]
Western Bean Cutworm Trap Catches So Far and Crop Staging and Spray Timing
Western bean cutworm trap counts this year have been very low so far. Although I would normally expect at least the far southwest to be reaching peak moth flight later this week, the traps are not indicating that yet. It might happen but there are not nearly the same number of moths flying around at […]
Western Bean Cutworm Resources for 2018
The WBC trapping season is about to begin. For those anxious to put up WBC traps this year, the WBC Trap Network is almost ready for you to set up your sites at: https://www.cornpest.ca/wbc-trap-network/ An email to past trap participants will be going out early next week. For those who have not entered trap sites […]
Resistance Prevention – Managing Western Bean Cutworm and Mycotoxins in Corn
Authored by: Dr. Art Schaafsma and Dr. Jocelyn Smith, University of Guelph Ridgetown Campus and Tracey Baute, Ontario Ministry of Agriculture, Food and Rural Affairs As the planting season begins, it is important to consider how best to manage western bean cutworm (WBC) damage this year and reduce the risk of resistance development. Western bean […]
Western Bean Cutworm Still A Concern For Edible Beans & Late Corn
We are still seeing WBC trap counts going up in most counties north and east of Perth. That means that WBC moth flight has not yet peaked in those counties. This is important because this also means that we haven’t reached peak egg laying in those counties and that there are a wack of moths […]