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July 9th, 2001 Volume 10 No.17 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 1/1-7/9):

1614

1053

(Geneva 1/1-7/9/2000):

1630

995

(Geneva "Normal"):

1591

1077

(Highland 1/1-7/9):

1868

1259

 

Coming Events:

Ranges:

 

American plum borer 2nd flight begins

906-1895

967-1337

Apple maggot oviposition punctures present

1566-2200

1001-1575

Codling moth 2nd flight begins

1355-2302

864-1549

Comstock mealybug 1st flight peak

1327-1782

824-1185

Lesser appleworm 2nd flight begins

1152-2302

778-1531

Obliquebanded leafroller 1st flight subsides

1420-2452

899-1790

Oriental fruit moth 2nd flight peak

1000-2908

577-2066

Redbanded leafroller 2nd flight peak

1479-2443

952-1698

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

6/25

7/2

7/5

7/9

Redbanded Leafroller

0.0

0.5

0.2

1.1

Spotted Tentiform Leafminer

120

112

132

428

Oriental Fruit Moth

0.3

3.2

9.2

15.1

Lesser Appleworm

0.1

0.7

8.3

4.0

Codling Moth

6.9

3.4

0.7

1.8

San Jose Scale

0.8

-

2.0

0.5

American Plum Borer

0.3

0.0

0.2

0.1

Lesser Peachtree Borer

4.6

9.7

2.3

6.9

Peachtree Borer

0.0

0.8

0.2

1.8

Dogwood Borer

0.0

0.0

0.0

1.4*

Obliquebanded Leafroller

0.3

0.3

0.5

0.3

Apple Maggot

0.0

0.0

0.0

0.1

         

Highland (Dick Straub, Peter Jentsch):

6/18

6/25

7/2

7/9

Redbanded Leafroller

0.2

2.9

4.0

1.4

Spotted Tentiform Leafminer

88.6

46.1

44.5

33.8

Oriental Fruit Moth

0.3

0.4

0.4

0.7

Codling Moth

5.9

5.4

2.7

1.4

Lesser Appleworm

3.2

1.4

0.5

0.5

Variegated Leafroller

1.3

0.9

0.7

0.4

Obliquebanded Leafroller

2.8

5.6

0.5

0.6

Tufted Apple Budmoth

0.3

0.9

0.0

0.0

Apple Maggot

<0.1*

0.0

0.1

0.3

Dogwood Borer

-

0.0

0.0

0.0

         

Hudson (Steve McKay):

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 Comstock Mealybug adults caught (Wayne Co.) on 7/3.

 

Spotted Tentiform Leafminer 2nd flight began 6/14. DD (base 43°F) accumulated since then = 681. (Sample at 690-840.)

 

Codling Moth model is at 720 DD (base 50°F); 2nd brood sprays at 1260-1370.

Highland:

Apple Maggot trap catch increasing.

 

Potato Leafhopper nymphs causing damage.

 

Obliquebanded Leafroller larval numbers high.

 

Codling Moth model is at 906 DD.

 

Spotted Tentiform Leafminer 2nd flight began 6/11. DD (base 43°F) accumulated since then = 798.

 

 

Insects 7.9