minnesota first detectors brown marmorated stink bug
TRANSCRIPT
Minnesota First Detectors
Brown Marmorated Stink Bug
Minnesota First Detectors
Outline
History/Distribution
Identification
Life History
Why is it Important?
Control
Minnesota First Detectors
History/Distribution
Originally from eastern Asia, incl. China, Korea, and Japan
Minnesota First Detectors
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0%
25%
75%
0%
A. Eastern U.S.
B. Upper Midwest
C. Southern U.S.
D. Pacific Northwest
E. Not sure
Where in the U.S. are BMSB most common?
USDA-NIFA SCRIwww.stopbmsb.org
First arrived in PA in mid-1990’s, steadily spreading from there
Now found in 40 states and 1 province
Minnesota First Detectors
History/Distribution
Particularly high numbers in eastern U.S. in 2010
Caused economic loss in some crops
Minnesota First Detectors
History/Distribution
First found in St. Paul (Ramsey Co.) in Nov. 2010
Probably associated with package received from eastern U.S.
Minnesota First Detectors
Distribution in MN
Nearly all BMSB have been found in homes/buildings, just 1 or 2 at a time
Infestation found in Chisago Co. in 2013
Nymphs present -evidence of overwintering
Minnesota First Detectors
BMSB Survey in MN
Survey using pyramid traps in 2014
Set up throughout MN MDA looking for
volunteers to help monitor traps
B. Butler
Minnesota First Detectors
Stink Bug Identification
Stink bugs are shield or badge shaped
Possess large triangular plate on back
Minnesota First Detectors
Stink Bug Identification
Possesses needle-like mouthparts
Minnesota First Detectors
BMSB Identification
½ inch long Mottled brownish
and grayish Has banded
antennae Banded on edge
of abdomen Dark colored veins Whitney Cranshaw
Minnesota First Detectors
BMSB Identification
Metallic greenish gold flecks on underside of BMSB
Minnesota First Detectors
BMSB Identification
Young nymphs yellowish brown, mottled with black and red
David R. Lance
Minnesota First Detectors
BMSB Identification
Older nymphs darker, with light bands on dark legs and antennae
Start to develop green gold flecks on underside as older nymph
Susan Ellis
Minnesota First Detectors
Don’t Confuse BMSB With…
Squash bug
Western conifer seed bug
Other true bugs
Minnesota First Detectors
Don’t Confuse BMSB With…
Native stink bugs
Native stink bugs
Gerald J. Lenhard, LSU
Minnesota First Detectors
Comparison of insects that might be confused with BMSB
Brown marmorated stink bugs
Native stink bugs
Masked hunter WCSB Squash bug BEB
Minnesota First Detectors
Which is BMSB?
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A B C
A. Insect A
B. Insect B
C. Insect C
Life CycleJan Feb Mar Apr May Jun Jul Aug Sep Oct Nov Dec
Feeding occurs
Active
Hibernating
Minnesota First Detectors
0%
0%
33%
67%
A. 10
B. 30
C. 300
D. 3000
On about how many different kinds of plants does BMSB feed?
Minnesota First Detectors
Why Is It a Pest?
Feeds on more than 300 plants
Ornamental and nursery plants, e.g. crabapple, maple, rose, viburnum, catalpa, hackberry, dogwood, willow, lilac
On leaves generally appears as small stippled areas and/or necrotic areas
Gary Bernon
Minnesota First Detectors
Why Is It a Pest?
Crop pest:
- Fruits, e.g. apple, blackberry, peach, grape, raspberry
- Vegetables, e.g. sweet corn, bean, peas, tomato, pepper
- Field crops, e.g. soybeans, field corn
Gary Bernon
Minnesota First Detectors
Why Is It a Pest?
Nuisance invader in structures in fall, like boxelder bugs and lady beetles
Can be present in large numbers
Can emit pungent odor
Susan EllisSusan Ellis
Minnesota First Detectors
Control
Pesticides are main option for now
Relying solely on pesticides not long-term solution
Research into possible biocontrol agent – tiny parasitic wasp that attacks eggs
Susan Ellis
Minnesota First Detectors
Questions?