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July 3, 2000 Volume 9 No. 16 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 00 index

Current DD accumulations

43°F

50°F

(Geneva 1/1-7/3):

1500

908

(Geneva 1999 1/1-7/3):

1555

1009

(Geneva "Normal" 1/1-7/3):

1426

967

(Highland 1/1-7/3):

1732

1099

 

Coming Events:

Ranges:

American plum borer 1st flight subsides

848-1668

440-1205

Apple maggot 1st catch

1045-1671

629-1078

Codling moth 1st flight subsides

1112-2124

673-1412

Lesser appleworm 2nd flight begins

1152-2302

778-1531

Peachtree borer peak flight

864-2241

506-1494

Redbanded leafroller 2nd flight begins

1096-2029

656-1381

Spotted tentiform leafminer 2nd flight peak

1266-2005

775-1355

 

TRAP CATCHES (Number/trap/day)

Geneva

6/19

6/22

6/26

6/29

Redbanded Leafroller

0.0

0.0

0.0*

0.5

Spotted Tentiform Leafminer

174

547

378

399

Oriental Fruit Moth

0.3

0.0

1.0

1.5

Lesser Appleworm

0.5

0.0

1.3

1.0

Codling Moth

14.2

5.3

5.3

13.7

San Jose Scale

0.1

0.0

0.0

0.3

Pandemis Leafroller

2.1

0.5

0.3

0.2

American Plum Borer

0.1

1.0

0.4

0.2

Lesser Peachtree Borer

3.6

2.2

3.0

5.5

Peachtree Borer

0.0

0.0

0.1*

0.3

Obliquebanded Leafroller

4.6

-

4.1

2.0

Apple Maggot

-

0.0

0.0

0.0

Dogwood Borer

-

0.2*

0.1

0.3

Highland (Dick Straub, Peter Jentsch):

6/12

6/19

6/26

7/3

Redbanded Leafroller

0.0

0.0

0.6*

0.9

Spotted Tentiform Leafminer

27.7

75.6

49.6

42.5

Oriental Fruit Moth

0.1

0.1

0.0

0.4

Codling Moth

1.1

3.4

4.7

3.6

Pear Psylla (eggs/leaf)

12.3

-

1.8

0.4

Pear Psylla (nymphs/leaf)

2.0

-

2.2

0.4

Lesser Peachtree Borer

0.2

0.1

0.3

0.3

Lesser Appleworm

-

1.0

0.0

0.4

Dogwood Borer

0.0

0.0

0.0

0.0

American Plum Borer

1.4

0.6

0.3

0.1

Obliquebanded Leafroller

1.0

0.6

0.5

0.6

Tufted Apple Budmoth

1.0

0.6

1.1

0.0

* = 1st catch

PEST FOCUS

Geneva:

Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43 F) since then = 481. Obliquebanded Leafroller flight began 6/8. Degree days (base 43 F) since then = 644. Larval hatch 50% complete. Codling Moth flight began 5/19; DD50 since then = 582. Comstock Mealybug flight beginning.

Highland:

Codling Moth flight began 5/8; DD50 since then = 960. Obliquebanded Leafroller flight began 6/5. Degree days (base 43 F) since then = 509. Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since then = 350. Rose and Potato Leafhopper nymphs over threshold; PLH nymphs numerous on pear. 2nd flights of Oriental Fruit Moth and Lesser Appleworm starting.

 

> 7.3 Insects