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July 24th, 2000 Volume 9 No. 19 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 1/1-7/24):

1978

1238

(Geneva 1999 1/1-7/24):

2187

1494

(Geneva "Normal" 1/1-7/24):

2001

1402

(Highland 1/1-7/24):

2277

1498

 

Coming Events:

Ranges:

 

American plum borer 2nd flight peaks

1648-2612

1037-1840

Comstock mealybug 1st flight subsides

1668-2245

1101-1450

Apple maggot 1st oviposition

1566-2200

1001-1575

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

Spotted tentiform leafminer 2nd flight subsides

1773-2514

1148-1818

 

TRAP CATCHES (Number/trap/day)

Geneva

7/13

7/17

7/20

7/24

Redbanded Leafroller

0.7

0.3

0.5

0.4

Spotted Tentiform Leafminer

456

449

408

105

Oriental Fruit Moth

16.5

13.1

15.2

8.0

Lesser Appleworm

1.0

2.0

18.3

7.5

Codling Moth

2.3

8.4

2.2

1.9

San Jose Scale

0.0

0.0

0.8

0.0

American Plum Borer

0.0

0.0

0.2

0.9

Lesser Peachtree Borer

2.7

3.1

1.8

0.6

Peachtree Borer

0.3

1.4

0.7

1.0

Obliquebanded Leafroller

0.2

0.1

0.0

0.0

Apple Maggot

0.0

0.0

0.0

0.0

Dogwood Borer

0.3

0.3

-

0.0

Highland (Dick Straub, Peter Jentsch):

7/3

7/10

7/17

7/24

Redbanded Leafroller

0.9

0.6

0.0

0.1

Spotted Tentiform Leafminer

42.5

42.4

17.6

4.8

Oriental Fruit Moth

0.4

0.2

0.0

0.2

Codling Moth

3.6

0.5

0.7

1.6

Sparganothis Fruitworm

-

0.9*

0.6

0.0

Apple Maggot

0.0

0.0

0.0

0.0

Lesser Peachtree Borer

0.3

0.9

1.7

1.9

Lesser Appleworm

0.4

0.1

0.5

0.1

Dogwood Borer

0.0

0.1

0.0

0.0

American Plum Borer

0.1

0.7

0.6

0.1

Obliquebanded Leafroller

0.6

0.6

0.0

0.0

Tufted Apple Budmoth

0.0

0.1

0.0

0.0

Variegated leafroller

-

0.2*

0.1

0.0

* = 1st catch

PEST FOCUS

Geneva:

Spotted Tentiform Leafminer 2nd flight began 6/15. Degree days (base 43°F) since then = 960. Codling Moth flight began 5/19; DD50 since then = 912. American Plum Borer 2nd flight began 7/24. One Apple Maggot fly caught 7/14 and 3 caught 7/17 in Wayne Co. (J. Eve).

Highland:

Codling Moth flight began 5/8; DD50 since then = 1230 (last week's number was a misprint). Leafhopper adult numbers increasing in apple trees. Pear Psylla egg-laying increasing in pears.

 

 

>7.24 Insects