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Posts From Fred Musser, Research Entomologist

Southwestern Corn Borer Traps, July 4, 2020

Southwestern Corn Borer Traps, July 4, 2020

🕔20:25, 3.Jul 2020

Trap counts for southwestern corn borer are highly variable this week.  We did have two locations in Tate and Leflore Counties that exceeded the threshold this week.  As a reminder, thresholds for southwestern corn borer suggest spraying non-Bt corn 7

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Heliothine Trap Counts, July 2, 2020

Heliothine Trap Counts, July 2, 2020

🕔10:10, 2.Jul 2020

Bollworm pheromone trap catches were higher than long-term averages again this week as they have been all year, while tobacco budworm catches were about the same as long-term averages. As most corn is advancing past the green silk stage, more

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Southwestern Corn Borer Traps, June 27, 2020

Southwestern Corn Borer Traps, June 27, 2020

🕔08:12, 27.Jun 2020

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Heliothine Moth Trap Catches, June 25, 2020

Heliothine Moth Trap Catches, June 25, 2020

🕔15:03, 25.Jun 2020

Bollworm pheromone trap catches were not extremely high this week, but June overall set a new high average trap catch and it the high catches were distributed among most monitored counties. To give some perspective, the highest previous years of

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Heliothine Trap Catches, June 19, 2020

Heliothine Trap Catches, June 19, 2020

🕔08:06, 20.Jun 2020

Bollworm pheromone moth trap catches have continued to be very high again this week in nearly all traps across the state. Tobacco budworm trap catches were also high in a few traps, suggesting that worm pressure from both species could

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Heliothine Trap Catches, June 5, 2020

Heliothine Trap Catches, June 5, 2020

🕔15:05, 5.Jun 2020

As I have done every year since 2007, 3 or 4 pheromone moth traps each for bollworm and tobacco budworm have been erected in agricultural regions of Noxubee, Lowndes and Oktibbeha counties. They are checked once per week and the

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2020 Insect Control Guide for Agronomic Crops

2020 Insect Control Guide for Agronomic Crops

🕔08:27, 17.Jan 2020

The 2020 Insect Control Guide for Agronomic Crops is now available. Click the following link for the online version 2020 Insect Control Guide or contact your local extension office for hard copies.

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Heliothine Trap Catches, September 6, 2019

Heliothine Trap Catches, September 6, 2019

🕔17:46, 6.Sep 2019

Bollworm moth catches were lower in the Delta but higher in the Northeastern Hill region of the state this week compared to last week. Tobacco budworm catches were lower than last week’s peak, but still higher than during most of

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Heliothine Trap Counts, August 30, 2019

Heliothine Trap Counts, August 30, 2019

🕔10:58, 30.Aug 2019

Pheromone trap catches of tobacco budworm in Lowndes and Noxubee counties were the highest they have been all year and they were high in most traps in these counties, so it appears to have been a widespread flight. However, tobacco

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Heliothine Trap Catches, August 23, 2019

Heliothine Trap Catches, August 23, 2019

🕔08:55, 27.Aug 2019

Bollworm pheromone trap catches were down this week compared to last week. They were also low compared to long-term averages for this time of year.

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Heliothine Trap Counts, August 16, 2019

Heliothine Trap Counts, August 16, 2019

🕔10:17, 19.Aug 2019

Bollworm moth trap catches rose slightly in the Delta region this week and didn’t change in the Northeastern Hills region. Catches were about average for this time of year. Tobacco budworm catches remained low throughout the state.

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Heliothine Trap Counts, August 9, 2019

Heliothine Trap Counts, August 9, 2019

🕔09:37, 12.Aug 2019

Bollworm trap catches in the Delta appear to be between generations. Moth densities will likely begin to rise soon, so be alert for increased moth activity. Tobacco budworm catches remain low in all areas.

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Heliothine Trap Counts, August 2, 2019

Heliothine Trap Counts, August 2, 2019

🕔14:54, 2.Aug 2019

Bollworm pheromone trap counts held steady in the Northeastern Hills region of the state while dropping some in the Delta region. Tobacco budworm counts fell back into single digits after a 1-week spike. Expect to continue to see light to

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Heliothine Trap Counts, July 26, 2019

Heliothine Trap Counts, July 26, 2019

🕔10:59, 26.Jul 2019

Both bollworm and tobacco budworm trap catches are average to above average this week. Bollworm moths are beginning to emerge from early corn fields, so strong moth flights are expected to continue for awhile since corn was planted over a

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Heliothine Trap Catches, July 12, 2019

Heliothine Trap Catches, July 12, 2019

🕔21:09, 17.Jul 2019

Bollworm pheromone trap catches went down slightly in most counties, but rose sharply in Sunflower county, mostly due to a single trap which caught more than 400 moths during the week. Tobacco budworm catches were up in Noxubee and Washington

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Heliothine Trap Counts, July 5, 2019

Heliothine Trap Counts, July 5, 2019

🕔15:50, 8.Jul 2019

Bollworm moth trap counts rose in all counties except Noxubee, which was extremely high last week. Most corn is no longer attractive to bollworm moths, so these moths are likely to lay most of their eggs in cotton and soybean.

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Heliothine Trap Counts, June 28, 2019

Heliothine Trap Counts, June 28, 2019

🕔18:14, 28.Jun 2019

Bollworm and tobacco budworm moth catches in pheromone traps were very high in Noxubee County, but low to average in all other regions. I have been finding an unusually large number of yellow-striped armyworms in my pheromone traps the last

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Heliothine Trap Catches, June 21, 2019

Heliothine Trap Catches, June 21, 2019 Updated

🕔06:27, 21.Jun 2019

This week’s pheromone trap catches of adult bollworm moths were similar to last week, which are similar to historic levels in NE Mississippi, but much lower than typical in the MS Delta region. Tobacco budworm catches remained low except for 2

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Heliothine Trap Counts, June 14, 2019

Heliothine Trap Counts, June 14, 2019

🕔13:05, 14.Jun 2019

Bollworm moth trap catches changed little from last week and were similar to or lower than long term average catches for the week. Tobacco budworm moth catches were slightly higher this week than last week, but were still lower than

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Heliothine Trap Counts, June 7, 2019

Heliothine Trap Counts, June 7, 2019

🕔09:43, 7.Jun 2019

Pheromone traps in the Delta caught about twice as many bollworm moths this week compared to last week while bollworm trap counts in the Northeastern counties declined. Both regions were still lower than last year and long-term average catches. Tobacco

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Heliothine Trap Counts, May 31, 2019

Heliothine Trap Counts, May 31, 2019

🕔11:33, 31.May 2019

This is the first week of 2019 to report trap counts from bollworm and tobacco budworm moth traps placed in several production areas in Mississippi. Each monitored county has 3-4 pheromone traps for each species that are checked on a

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Heliothine Trap Counts, August 31, 2018

Heliothine Trap Counts, August 31, 2018

🕔10:57, 31.Aug 2018

Bollworm moth trap counts rose slightly this week in most locations, with trap counts being comparable to long-term averages. Tobacco budworm trap counts remained low as they have been all year.  As most agronomic crops are nearly past the stage

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Heliothine Trap Counts, August 24, 2018

Heliothine Trap Counts, August 24, 2018

🕔17:49, 24.Aug 2018

Bollworm pheromone trap catches were similar to lower than last week and tobacco budworm catches were few. For most crops, the threat of an economic bollworm infestation is likely past unless the field was planted very late.

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Heliothine Trap Counts, August 17, 2018

Heliothine Trap Counts, August 17, 2018

🕔09:37, 17.Aug 2018

Bollworm trap catches were stable to slightly higher across Mississippi this week compared to the previous week. Delta bollworm trap catches were lower this week than during the same week in 2017. Tobacco budworm trap catches remained low as they

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Heliothine Trap Catches, August 10, 2018

Heliothine Trap Catches, August 10, 2018 Updated

🕔08:22, 10.Aug 2018

Bollworm moth trap catches were down sharply this week, so hopefully that will translate to a break in bollworm larval pressure soon. Tobacco budworm trap catches remain at very low levels.

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