Heliothine Trap Catches, August 12, 2026
Moth trap catches remained steady for both bollworm and tobacco budworm this week at levels typical for this time of year.
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Posts From Fred Musser, Research Entomologist
Heliothine Trap Catches, August 5, 2026
Bollworm moth pheromone trap catches were similar to last week and about average for this time of year. Tobacco budworm trap catches were also similar to last week and generally typical for this time of year.
2026 Southwestern Corn Borer Monitoring Program – Week ending 8/1/2026
Southwestern Corn Borer Trapping Program Week Ending August 1, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Calhoun 1 0 0 0 Chickasaw 1 0 0 0 Clay 1 0 0 0 Grenada 4 0 0 0 Marshall 2 0
Heliothine Trap Catches, July 29, 2026
Bollworm and tobacco budworm moth pheromone trap catches were similar this week to the previous week. Tobacco budworm catches remained above average in several Delta counties.
2026 Southwestern Corn Borer Monitoring Program – Week ending 7/25/2026
Southwestern Corn Borer Trapping Program Week Ending July 25, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Amite 2 0 0 0 Calhoun 1 0 0 0 Chickasaw 1 0 0 0 Claiborne 1 0
Heliothine Trap Catches, July 22, 2026
Bollworm moth catches were steady to slightly lower this week, which is about normal for this time of year. Tobacco budworm moth catches remained up at decent levels for another week, so expect egg lay to include eggs of both
2026 Southwestern Corn Borer Monitoring Program – Week ending 7/18/2026
Another week of extremely low numbers of SWCB detected across the state. As good growing conditions continue, many areas of the state are nearing physiological maturity, essentially outrunning any SWCB related issues. For this reason, traps will begin being picked
Heliothine Trap Catches, July 16, 2026
Bollworm moth trap catches remained at similar substantial levels again this week. The big change this week was a large increase in tobacco budworm trap catches in most of the Delta counties this week. All Bt cotton varieties will control
2026 Southwestern Corn Borer Monitoring Program – Week ending 7/11/2026
Southwestern Corn Borer Trapping Program Week Ending July 11, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Amite 2 0 0 0 Calhoun 1 0 0 0 Chickasaw 1 0 0 0 Claiborne 1 0
Heliothine Trap Catches, July 9, 2026
Bollworm moth pheromone trap catches were up sharply this week in most counties to about average levels for this time of year. These moths likely developed on corn, but corn is now mostly matured past an attractive stage, so cotton
2026 Southwestern Corn Borer Monitoring Program – Week ending 7/4/2026
Southwestern Corn Borer Trapping Program Week Ending July 4, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Amite 2 0 0 0 Bolivar 1 2 2 2 Calhoun 1 0 0 0 Chickasaw 1 0
Heliothine Trap Catches, July 2, 2026
Bollworm pheromone trap catches were generally slightly lower this week compared to last week and remain low compared to historical averages for this time of year. Tobacco budworm catches similar to last week, which is about average for this time
2026 Southwestern Corn Borer Monitoring Program – Week ending 6/27/2026
Southwestern Corn Borer Trapping Program Week Ending June 27, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0 0 Amite 2 0 0 0 Calhoun 1 0 0 0 Calhoun 1 0 0 0 Chickasaw 1 0
Heliothine Trap Counts, June 24, 2026
Moth catches in bollworm pheromone traps were up some in most counties but continue to be lower than historical average catches for this time of year. Tobacco budworm trap catches are low, but about average.
2026 Southwestern Corn Borer Monitoring Program – Week ending 6/19/2026
Very low incidence of southwestern corn borers across trapping locations during the week of June 14th to June 20th. Southwestern Corn Borer Trapping Program Week Ending June 20, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0
Heliothine Trap Counts, June 17, 2026
Bollworm pheromone trap moth catches for this week rose slightly from last week, but in general are still lower than average catches for this time of year. Tobacco budworm trap catches were still zero in the Northeast region, but about
2026 Southwestern Corn Borer Monitoring Program – Week ending 6/13/2026
Very low incidence of southwestern corn borers across trapping locations during the week of June 7th to June 13th. Southwestern Corn Borer Trapping Program Week Ending June 13, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0
Heliothine Trap Catches, June 10, 2026
This week’s bollworm moth pheromone trap catches were well below typical catches for this time of year. Tobacco budworm numbers were low, but about normal.
2026 Southwestern Corn Borer Monitoring Program – Week ending 6/6/2026
Very low incidence of southwestern corn borers across trapping locations during the week of May 31st to June 6th. Southwestern Corn Borer Trapping Program Week Ending June 6, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3 0 0
Heliothine Trap Catches, June 3, 2026
This week’s bollworm moth catches were similar to last week, and below normal for this time of year. Tobacco budworm moth catches were up a little this week, but still at at or below normal catches for this time of
2026 Southwestern Corn Borer Monitoring Program – Week ending 5/30/2026
Southwestern corn borers were not detected in any of the trapping locations in any county during the week of May 24th-30th. Southwestern Corn Borer Trapping Program Week Ending May 30, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3
Heliothine Trap Catches, May 28, 2026
This week’s bollworm and tobacco budworm trap catches were similar to last week in all regions. Bollworm catches were much lower than average catches for this time of year.
2026 Southwestern Corn Borer Monitoring Program – Week ending 5/23/2026
Southwestern corn borers were not detected in any of the trapping locations in any county during the week of May 17th-23rd. Southwestern Corn Borer Trapping Program Week Ending May 23, 2026 County Traps Reporting Total Reported Avg/Trap Maximum/Trap Alcorn 3
Heliothine Trap Counts, May 20, 2026
Bollworm and tobacco budworm pheromone traps have been placed in several counties again this year to monitor the flights of these insect pests. While pheromone trap counts can be used to inform farmers and consultants of potential insect pressure in
2026 Southwestern Corn Borer Monitoring Program – Week ending 5/16/2026
This is the first southwestern corn borer report of the 2026 growing season. Traps are currently being deployed by extension agents across the major corn-producing counties in Mississippi. Southwestern Corn Borer Trapping Program Week Ending May 16, 2026 County Traps
