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July 2nd, 2001 Volume 10 No.16 Update on Pest Management and Crop Development

Coming Events & Current Situation
Insects
Chemical News
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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 1/1-7/2):

1462

949

(Geneva 1/1-7/2/2000):

1471

886

(Geneva "Normal"):

1405

940

(Highland 1/1-7/2):

1700

1139

(Hudson 1/1-7/2):

1562

1025

 

Coming Events:

Ranges:

 

Apple maggot oviposition punctures present

1566-2200

1001-1575

Codling moth 1st flight subsides

1112-2124

673-1412

Comstock mealybug 1st adult catch

1270-1673

756-1105

Lesser appleworm 2nd flight begins

1152-2302

778-1531

San Jose scale 2nd flight begins

1449-1975

893-1407

Spotted tentiform leafminer 2nd flight peak

1219-2005

701-1355

STLM 2nd gen. tissue feeders present

1504-2086

952-1201

TRAP CATCHES (Number/trap/day)

Geneva

6/18

6/21

6/25

7/2

Redbanded Leafroller

0.1

0.0

0.0

0.5

Spotted Tentiform Leafminer

161

285

120

112

Oriental Fruit Moth

1.1

0.5

0.3

3.2

Lesser Appleworm

1.0

0.2

0.1

0.7

Codling Moth

6.5

6.7

6.9

3.4

San Jose Scale

0.0

0.0

0.8

-

American Plum Borer

0.4

0.3

0.3

0.0

Lesser Peachtree Borer

4.5

6.5

4.6

9.7

Peachtree Borer

0.0

0.0

0.0

0.8

Dogwood Borer

0.0

0.0

0.0

0.0

Pandemis Leafroller

1.3

0.7

1.0

0.0

Obliquebanded Leafroller

1.8

2.8

0.3

0.3

         

Highland (Dick Straub, Peter Jentsch):

6/11

6/18

6/25

7/2

Redbanded Leafroller

0.1

0.2

2.9

4.0

Spotted Tentiform Leafminer

10.4

88.6

46.1

44.5

Oriental Fruit Moth

0.1

0.3

0.4

0.4

Codling Moth

0.7

5.9

5.4

2.7

Lesser Appleworm

2.9

3.2

1.4

0.5

Variegated Leafroller

0.5

1.3

0.9

0.7

Obliquebanded Leafroller

1.9

2.8

5.6

0.5

Tufted Apple Budmoth

0.0

0.3

0.9

0.0

Apple Maggot

0.0

<0.1*

0.0

0.1

Dogwood Borer

-

-

0.0

0.0

         

Hudson (Steve McKay):

6/11

6/18

6/25

7/2

American Plum Borer

-

0.0

0.0

0.0

Oriental Fruit Moth

-

0.0

0.0

0.0

* = 1st catch

 

     

PEST FOCUS

Geneva:

1st Apple Maggot adult catch at Geneva on 6/29.

 

Oriental Fruit Moth and Redbanded Leafroller 2nd flights began Today (7/2).

 

Spotted Tentiform Leafminer 2nd flight began 6/14. DD (base 43°F) accumulated since then = 531. (Sample at 690-840.)

 

1st Obliquebanded Leafroller caught in 6/8. DD (base 43°F) accumulated since 6/8 in Geneva = 661. (Sample larvae now.)

 

Codling Moth model is at 616 DD (base 50°F); 2nd brood sprays at 1260-1370.

Highland:

Apples damaged by frequent hail.
 

Potato Leafhopper and Rose Leafhopper nymphs present in apple.

 

Predatory Mite numbers increasing, keeping European red mites in check.

 

Two-spotted Spider Mite numbers increasing.

 

Codling Moth model is at 788 DD.

 

Spotted Tentiform Leafminer 2nd flight began 6/11. DD (base 43°F) accumulated since then = 630.

 

Insects 7.2