Armyworm moth trap results

Martin Nagelkirk, Michigan State University Extension - May 25, 2012

High numbers of armyworm moths captured at several locations in Michigan.

This year, a pilot armyworm trapping effort was initiated by MSU Extension. With the help of growers and agribusiness representatives, pheromone traps were established in early May and the number of moths captured has been compiled. Armyworm damage

A few conclusions can be made from the data collected.

The armyworm arrived early this season.
The populations of adult males were highly variable between traps.
The populations were alarmingly high at some locations.

The populations are clearly on the decline at most locations.

Armyworm moth catches: Michigan Wheat Watchers 2012

County	Watcher	May 9	May 16	May 23
Allegan	Tom Smith	97	37	17
Bay	Brian Wieland	65 in 3	130	75
Lenawee	Ned Birkey	46	54
Clinton	Gerald Reaume	---	103	12
Jackson	Brandon Hotchkin,	10	0	0
Midland	Richard Miller	191	59	9
Monroe #1	Ned Birkey	9	8
Monroe #2	Ned Birkey	-	63
Montcalm	Fred Springborn	5	0	0
Saginaw	Bill Gilford	120	25	4
Sanilac	Martin Nagelkirk	120	55	3
Sanilac	Reggie VanSickle	5	4
Sanilac	Kyle McCarty	23	-	0
St. Clair	Mark Naplin	18 in 5	1	20
Van Buren #1	Bruce MacKellar	44	27
Van Buren #2	Bruce MacKellar	5	1
Alger	Jim Isleib	-	7	25

I want to thank all of the cooperators who have and continue to monitor traps at their locations.

Related MSU Extension News article: Armyworms and rumors of armyworms, Fred Springborn

This article was published by Michigan State University Extension. For more information, visit https://extension.msu.edu. To have a digest of information delivered straight to your email inbox, visit https://extension.msu.edu/newsletters. To contact an expert in your area, visit https://extension.msu.edu/experts, or call 888-MSUE4MI (888-678-3464).