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Aphids on the rise, and rootworms, too!

Show: 
Soybean Pest Podcast
Season: 
5
Episode: 
6
Description: 

Matt and Erin summarize the trend in soybean aphid populations for the midwest. They discuss other pest, include the corn rootworm and the reports of cornfields damaged by this pest. For more info on why this may happen in Bt-corn fields see http://bit.ly/16plxWm.
Also, for more info about how rotating crops is good for more than just managing rootworms, visit http://www.sustainablecorn.org/

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The pros of conservation

Show: 
Soybean Pest Podcast
Season: 
6
Episode: 
18
Description: 

In this episode, Matt and Erin transition from providing weekly field crop pest updates to other topics of interest. They discuss the new assessment form provided by the Xerces Society to help farmers understand the value of beneficial insect conservation. Find the form here: http://www.xerces.org/wp-content/uploads/2015/07/HAG_BeneficialInsects_June2015_web.pdf

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Announcing our new podcasting widget!

Show: 
Soybean Pest Podcast
Season: 
7
Episode: 
4
Description: 

As the tagline for the new movie, Popstar, says: Never Stop Never Stopping!

Today, Erin gives a short note to announce the new podcasting widget. It will be located on their Soybean Entomology Lab website, where other resources are available. You can still subscribe to the podcast via iTunes, Stitcher or Pocket Casts. Thanks for listening! 

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Drought and spider mites go together like PB & J

Show: 
Soybean Pest Podcast
Season: 
7
Episode: 
9
Description: 

Don't drought this episode was a good one. Matt shares an update on the Iowa drought and encourages people to use the U.S. Drought Monitor as a tool to measure landscape moisture levels. Matt and Erin transition and talk about pest activity around the state, starting with twospotted spider mite. Erin wrote a recent ICM News article that talks about scouting and managing this pest that favors hot and dry conditions. Spider mites can be first detected around field perimeters and then eventually infest the field interior. Discoloration, webbing and stunted plants are often the result of heavy spider mite feeding. Erin mentioned a new miticide, AgriMek, that has promise for suppressing mites in corn and soybean; find the label here. The conversation switched gears to talk about some corn silk clipping pests, like Japanese beetle and corn rootworm adults. Scouting to determine pest densities and potential interference with pollination is important. Learn more about Japanese beetle ID, scouting and management with an ICM News article

twospotted spider mite

Twospotted spider mite. Photo by Frank Peairs, www.ipmimages.org.

bean leaf beetle

Bean leaf beetle. Photo by Marlin Rice. 

 

Image(s): 
twospotted spider mite
bean leaf beetle
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Chapters: 
Time: 
00:04:00
Title: 
Twospotted spider mites
Time: 
00:09:37
Title: 
Bean leaf beetle
Time: 
00:11:12
Title: 
Japanese beetle and corn rootworm silk clipping

De-Icing from the bug meeting

Show: 
Soybean Pest Podcast
Season: 
7
Episode: 
14
Description: 

Due to technical difficulty, this is a second take at the podcast today. Matt and Erin start by sharing highlights from the recent International Congress of Entomology (ICE) meeting in Orlando last week. Erin talks about pest resistance issues for corn rootworm and western bean cutworm. Matt summarizes some work on rapid resistance development in agro-ecology systems. Fall nuisance invaders were also briefly discussed, including minute pirate bugs, boxelder bugs and lady beetles. Matt got excited by a recent aphid find on ISU campus this week - aphids and parasitized aphids were on collected from buckthorn. They don't understand the implications for these finds yet, but it is certainly not a common find. Lastly, Matt and Erin are speaking at the upcoming ICM Conference in Ames. Registration details will be posted soon. 

minute pirate bug

Minute pirate bug adult feeding on white fly nymphs. Photo at https://en.wikipedia.org/wiki/Anthocoridae.

Image(s): 
minute pirate bug
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Chapters: 

Fall round up: all potatoes and no gravy

Show: 
Soybean Pest Podcast
Season: 
7
Episode: 
16
Description: 

Matt and Erin wrap up a few loose ends before the holiday week. First, Matt shares DowAgroSciences sulfoxaflor insecticide got a renewed registration. This insecticide targets fluid-feeding insects and was an option for soybean aphid before it was canceled in 2015. Now, sulfoxaflor can be used in a number of crops, but not for corn or soybean; cotton and sorghum have emergency labels in some U.S. states. Over the weekend, a soybean aphid Biotype-2 colony died due to a bad compressor in a growth chamber. Aphids don't tend to do well in temperatures over 100 degrees, and these ladies got cooked. Our labs host all four soybean aphid biotypes plus a few other aphid colonies. Colony management is really important and the maintenance is ongoing to keep plants and aphids healthy. Iowa State University features a 3MT (Three-minute thesis) oral competition this week. Three people featured insect-related presentations (a long video of all the speakers can be found here).

Upcoming extension events:

ICM Conference (30 Nov, 1 Dec) in Ames

Crop Advantage Series (January 2017) in Iowa

CCA Online Review Course, (on demand)

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Category: 
Chapters: 
Time: 
00:01:30
Title: 
Registration renewal for Dow AgroSciences sulfoxaflor
Time: 
00:07:30
Title: 
Soybean aphid biotype colony crash
Time: 
00:15:20
Title: 
Upcoming events

A case of "false" identity

Show: 
Soybean Pest Podcast
Season: 
9
Episode: 
6
Description: 

In this podcasting episode, Matt and Erin talk about a disagreement in insect ID. The false Japanese beetle often emerges before the true Japanese beetles and people mistakenly confuse the two species. Erin recently wrote about the timing of adult emergence of JB in ICM News and how to tell the difference between the two species in an ICM Blog post. By the way, we think Erin was right on this one even though Matt was super confident! Matt gives a quick summary of hexapods used as college team mascots (Thanks to fellow podcaster, Jonathan Larson at UNL, for the list!). Pollinator Fest is next weekend at Reiman Gardens. 

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Chapters: 

Dr. Erin W Hodgson

Photo of Erin Hodgson
Faculty
Professor
Extension Entomologist
ANR Crops Team Leader
Area of Expertise: 
Field Crop Insects, IPM

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