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August 6th, 2001 Volume 10 No.21 Update on Pest Management and Crop Development

Coming Events & Current Situation
Insects
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Scaffolds is published weekly from March to September by Cornell University -- NYS Agricultural Experiment Station (Geneva), and Ithaca -- with the assistance of Cornell Cooperative Extension.

New York field reports welcomed. Send submissions by 3 p.m. Monday to:

Scaffolds Fruit Journal

Editors: A. Agnello, D. Kain

Dept. of Entomology, NYSAES

Geneva, NY 14456-0462

Phone: 315-787-2341 FAX: 315-787-2326

Scaffolds 01 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-8/6):

2383

1626

(Geneva 1/1-8/6/2000):

2337

1507

(Geneva "Normal"):

2338

1644

(Highland 1/1-8/6):

2682

1877

(Hudson 1/1-8/6):

2473

1690

 

Coming Events:

Ranges:

 

Apple maggot flight peak

1471-3103

1387-1953

Codling moth 2nd flight peak

1471-3103

931-2212

Obliquebanded leafroller 2nd flight begins

2124-3040

1412-2076

Oriental fruit moth 2nd flight subsides

1806-2783

1164-1963

Redbanded leafroller 2nd flight subsides

1927-3045

1291-2160

Redbanded leafroller 3rd flight begins

2389-3113

1722-2209

San Jose scale 2nd flight peak

1934-2591

1271-1874

Spotted tentiform leafminer 2nd flight subsides

1773-2514

1148-1818

Spotted tentiform leafminer 3rd flight begins

2215-2783

1537-2123

TRAP CATCHES (Number/trap/day)

Geneva

7/26

7/30

8/2

8/6

Redbanded Leafroller

2.5

0.6

1.2

0.3

Spotted Tentiform Leafminer

165

46

166

217

Oriental Fruit Moth

4.3

3.1

0.5

2.4

Lesser Appleworm

4.8

10.9

4.0

3.4

Codling Moth

2.8

5.3

16.8

7.1

San Jose Scale

18.7

15.6

29.3

12.8

American Plum Borer

1.7*

2.3

2.3

1.4

Lesser Peachtree Borer

4.0

1.8

6.5

3.1

Peachtree Borer

1.5

2.3

4.2

1.6

Dogwood Borer

0.0

0.0

0.0

0.0

Obliquebanded Leafroller

0.0

0.1

0.2

0.3

Apple maggot

0.4

0.2

0.7

0.6

 

 

 

 

 

Highland (Dick Straub, Peter Jentsch):

7/16

7/23

7/30

8/6

Redbanded Leafroller

1.7

2.1

1.7

2.4

Spotted Tentiform Leafminer

40.7

48.6

28.9

39.0

Oriental Fruit Moth

0.6

0.4

0.4

0.2

Codling Moth

0.3

0.9

2.4

1.4

Lesser Appleworm

0.5

1.0

0.7

1.3

Variegated Leafroller

0.1

0.1

0.0

0.5

Obliquebanded Leafroller

0.0

0.2

1.0

1.2

Tufted Apple Budmoth

0.0

0.0

0.0

0.1

Apple Maggot

1.1

0.5

0.9

0.4

Dogwood Borer

0.0

0.0

0.0

0.6

Sparganothis Fruitworm

0.0

0.0

0.0

0.0

 

 

 

 

 

Hudson (Steve McKay):

7/16

7/23

7/30

8/6

American Plum Borer

0.0

0.0

0.6

0.1

Oriental Fruit Moth

0.0

0.0

0.0

0.0

* = 1st catch

 

 

 

 

PEST FOCUS

Geneva:

Comstock Mealybug crawlers caught in tape traps in Wayne Co. 8/3.

 

Codling Moth model is at 1293 DD (base 50°F). 2nd spray date at 1260-1370.

 

Spotted Tentiform Leafminer 2nd flight began 6/14. DD (base 43°F) accumulated since then = 1449. (Resample at 1150 DD or greater; see Cornell Recommends, pg. 64).

Highland:

Apple Maggot damage observed.Spotted Tentiform Leafminer 2nd flight began 6/11. DD (base 43°F) accumulated since then = 1612.

 

 

Insects 8.6