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July 17th, 2000 Volume 9 No. 18 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 1/1-7/17):

1831

1141

(Geneva 1999 1/1-7/17):

1967

1323

(Geneva "Normal" 1/1-7/17):

1803

1252

(Highland 1/1-7/17):

2106

1375

 

Coming Events:

Ranges:

 

American plum borer 2nd flight begins

906-1876

973-1337

Comstock mealybug 1st flight peak

1327-1782

824-1185

Apple maggot 1st catch

1045-1671

629-1078

Apple maggot 1st oviposition

1566-2200

1001-1575

Obliquebanded leafroller 1st flight subsides

1420-2452

899-1790

Oriental fruit moth 2nd flight peak

1000-2908

577-2066

San Jose scale 2nd flight begins

1449-1975

893-1407

Redbanded leafroller 2nd flight peak

1479-2443

952-1698

 

TRAP CATCHES (Number/trap/day)

Geneva

6/29

7/10

7/13

7/17

Redbanded Leafroller

0.5

0.6

0.7

0.3

Spotted Tentiform Leafminer

399

364

456

449

Oriental Fruit Moth

1.5

1.0

16.5

13.1

Lesser Appleworm

1.0

3.5

1.0

2.0

Codling Moth

13.7

5.5

2.3

8.4

San Jose Scale

0.3

0.0

0.0

0.0

Pandemis Leafroller

0.2

0.0

-

-

American Plum Borer

0.2

0.1

0.0

0.0

Lesser Peachtree Borer

5.5

5.5

2.7

3.1

Peachtree Borer

0.3

0.5

0.3

1.4

Obliquebanded Leafroller

2.0

3.4

0.2

0.1

Apple Maggot

0.0

0.0

0.0

0.0

Dogwood Borer

0.3

0.6

0.3

0.3

Highland (Dick Straub, Peter Jentsch):

6/26

7/3

7/10

7/17

Redbanded Leafroller

0.6*

0.9

0.6

0.0

Spotted Tentiform Leafminer

49.6

42.5

42.4

17.6

Oriental Fruit Moth

0.0

0.4

0.2

0.0

Codling Moth

4.7

3.6

0.5

0.7

Pear Psylla (eggs/leaf)

1.8

0.4

0.0

-

Pear Psylla (nymphs/leaf)

2.2

0.4

0.0

-

Apple Maggot

0.0

0.0

0.0

0.0

Lesser Peachtree Borer

0.3

0.3

0.9

1.7

Lesser Appleworm

0.0

0.4

0.1

0.5

Dogwood Borer

0.0

0.0

0.1

0.0

American Plum Borer

0.3

0.1

0.7

0.6

Obliquebanded Leafroller

0.5

0.6

0.6

0.0

Tufted Apple Budmoth

1.1

0.0

0.1

0.0

Variegated leafroller

-

-

0.2*

0.1

* = 1st catch

       

PEST FOCUS

Geneva:

Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43°F) since then = 812 Codling Moth flight began 5/19; DD50 since then = 815 Oriental fruit moth 2nd flight began this week.

Highland:

Codling Moth flight began 5/8; DD50 since then = 1383 Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since then = 919 Japanese beetles present in apple trees

 

 

>7.17 Insects