In this Issue:

FEATURE ARTICLE

New Tools Available for Monitoring Corn Earworm Flights

VEGETABLE NEWS

Vegetable Insect Pest Update

Upcoming Field Days

STRAWBERRY NEWS

Berry IPM Update

MFVGA 2007 Summer Tour and Picnic

APPLE NEWS

Weekly Trap Counts

Apple Scab Infections

NOTE: The Newsletter will be on hiatus for the next two weeks.  Our next edition will be August 10th.

Order: 2007 Minnesota Vegetable Guide

Insect, Pest Fact Sheets
Vol 4 No. 9   July 20, 2007

Apple Insect Pests: Weekly Trap Counts

 County

 Location

Degree Days (Dates)**

Dates Traps in Orchard

 CM

 DWB

 LAW

 OBLR

RBLR

STLM

AM***

La Crescent Region

Fillmore

Preston

1409.1
(4/01 to 7/17)

7/12 – 7/19

7

2

19

1

92

126

1

Houston

La Crescent

1496.6
(4/01 to 7/18)

7/11 – 7/18

10

3

5

0

186

245

10.7

Winona

St. Charles

---

 7/10 – 7/16

4

---

---

0

38

---

1.67

Hiawatha Region

Rice

Faribault - Site 1

1555.7
(4/05 to 7/17)

7/10 – 7/17

0.5
(Avg. 2 traps)

2

3

0

74

0

2

Rice

Faribault – Site 2

1569.4
(4/01 to 7/18)

7/11 – 7/19

2

2

1

0

48

150

1

Wabasha

Elgin

1454.6
(4/04 to 7/18)

7/11 – 7/18

14
(Avg. 2 traps)

1

0

0

30

38

2.3

Wabasha

Lake City

1492.0
(4/04 to 7/18)

7/11 – 7/18

13.5
(Avg. 2 traps)

11

48

0

100

70

4.7

St. Croix Region

Chisago

Shafer

1363.6
(3/23 to 7/19)

7/12 – 7/19

1.25
(Avg. 4 traps)

7

12

0

174

96

12.3

Dakota

Lakeville

1597.0
(3/30 to 7/18)

7/11 – 7/18

6

3

3

1

22

39

3.33

Dakota

West St. Paul

---

7/05 – 7/18
(2 weeks)

15

4

37

2

80

3500

13.5
Avg. 2 spheres)

Washington

Hastings – Site 1

1606
(4/1 to 7/17)

7/11 – 7/18

4
(Avg. 3 traps)

1

32

0

13

25.5
(Avg. 2 traps)

0
(Avg. 9 spheres)

Washington

Hastings – Site 2

1535.2
(4/01 to 7/19)

7/12 – 7/19

2.75
(Avg. 4 traps)

0

4

0

38

73

0.75
(Avg. 4 spheres)

Washington

Hugo

1502.9
(4/01 to 7/18)

7/11 – 7/18

1

0

8

1

98

185

2

Washington

White Bear Lake

1427.1
(4/01 to 7/19)

7/12 – 7/19

7.5
(Avg. 2 traps)

6

29

0

45

33

3

West Metro Region

Scott

Veseli

1540.2
(4/13 to 7/17)

7/10 – 7/17

8

1

6

0

96

297

11

Stearns

Fairhaven

1425.0
(4/03 to 7/16)

7/09 – 7/16

2.5
(Avg. 2 traps)

32

19

1

92

96

7.7

Other Location

Pine

Kerrick

1033
(4/01 to 7/18)

7/11 – 7/18

0

0

16

1

47

52

1

KEY: CM = codling moth, DWB = dogwood borer, LAW = lesser apple worm, OBLR = obliquebanded leafroller, RBLR = redbanded leafroller, STLM = spotted tentiform leafminer,    --- = no information provided.
** Degree days using Spec 7 Pro = cumulative or integral degree days (uses hourly temperatures), with calculation parameters of Base Temp = 50°F and Upper Limit = 86°F. 

 

 

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ACKNOWLEDGEMENTS

Co-Editors: Bill Hutchison (hutch002@umn.edu), Department of Entomology, University of Minnesota, Jeanne Ciborowski, Minnesota Department of Agriculture, Ag. Resources Management and Development Division, and Suzanne Wold-Burkness (woldx018@umn.edu), Department of Entomology, University of Minnesota

The Newsletter is published weekly from May through August, cooperatively, by the Minnesota Department of Agriculture (MDA) and the University of Minnesota (U of MN).  Reports are posted on the U of MN and MDA web sites on Fridays.  If you have suggestions and/or comments, please send your contributions by 4 p.m., Wednesday to Jeanne Ciborowski, 651-201-6217, jeanne.ciborowski@state.mn.us , MDA, 625 Robert St. North, St. Paul, MN  55155.  You can access the Newsletter at the U of MN web site in htm format at: www.vegedge.umn.edu/MNFruit&VegNews/mnindex.htm and at the MDA web site in pdf format at: www.mda.state.mn.us/plants/pestmanagement/ipm/ipmnews.htm

Partial funding for this publication is provided through partnership agreements with the Minnesota Fruit and Vegetable Growers Association (MFVGA) and the United States Department of Agriculture – Risk Management Agency (RMA).  These institutions are equal opportunity providers.

DISCLAIMER

Reference to products in this publication is not intended to be an endorsement to the exclusion of others which may have similar uses. Any person using products listed in this publication assumes full responsibility for their use in accordance with current manufacturer directions.

                    

Last Revised July, 2007 by woldx018@umn.edu
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