July 31, 2000 Volume 9 No. 21 Update on Pest Management and Crop Development

Coming Events & Current Situation
Insects

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 1/1-8/7):

2360

1522

(Geneva 1999 1/1-8/7):

2602

1811

(Geneva "Normal" 1/1-8/7):

2366

1678

 

Coming Events:

Ranges:

American plum borer 2nd flight peaks

1648-2612

1037-1840

Apple maggot flight peaks

2033-2843

1387-1953

Codling moth 2nd flight peaks

1471-3103

931-2212

Comstock mealybug 2nd gen crawlers emerging

2106-2768

1447-1924

Obliquebanded leafroller 2nd flight peaks

2634-3267

1789-2231

Oriental fruit moth 3rd flight begins

2172-2956

1448-2013

Redbanded leafroller 2nd flight subsides

1927-3045

1291-2160

Redbanded leafroller 3rd flight begins

2389-3113

1722-2209

San Jose scale 2nd flight peaks

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

7/27

7/31

8/3

8/7

Redbanded Leafroller

0.5

0.1

0.3

0.1

Spotted Tentiform Leafminer

76.2

25.8

51.3

43.4

Oriental Fruit Moth

2.3

2.5

1.0

1.6

Lesser Appleworm

4.3

2.8

1.5

0.9

Codling Moth

5.8

6.6

6.5

18.3

San Jose Scale

0.0

2.8*

2.7

4.5

American Plum Borer

0.2

0.0

0.5

0.6

Lesser Peachtree Borer

1.0

1.3

1.5

0.0

Peachtree Borer

1.8

1.1

1.7

1.3

Obliquebanded Leafroller

0.0

0.0

0.0

0.1

Apple Maggot

0.1*

0.1

0.0

0.0

Dogwood Borer

0.0

0.0

0.0

0.0

Highland (Dick Straub, Peter Jentsch):

7/17

7/24

7/31

Redbanded Leafroller

0.0

0.1

0.0

Spotted Tentiform Leafminer

17.6

4.8

94.4

Oriental Fruit Moth

0.0

0.2

<0.1

Codling Moth

0.7

1.6

1.1

Sparganothis Fruitworm

0.6

0.0

0.0

Apple Maggot

0.0

0.0

0.2

Lesser Peachtree Borer

1.7

1.9

2.2

Lesser Appleworm

0.5

0.1

0.0

Dogwood Borer

0.0

0.0

0.2

American Plum Borer

0.6

0.1

0.7

Obliquebanded Leafroller

0.0

0.0

0.0

Tufted Apple Budmoth

0.0

0.0

0.0

Variegated leafroller

0.1

0.0

0.0

* = 1st catch

     

PEST FOCUS

Geneva:

Codling Moth flight began 5/19; DD50 since then = 1196. Spotted Tentiform Leafminer flight began 6/15. Degree days (base 43°F) since then = 1341. Second flight of Obliquebanded Leafroller began today, 8/7 (1 moth).

 

 

>8.7 Insects