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June 19, 2000 Volume 9 No. 14 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

43F

50F

Geneva 1/1-6/19

1148

654

Geneva 1999 1/1-6/19

1172

724

Geneva "Normal" 1/1-6/19

1077

704

Highland 1/1-6/19

1357

822

 

Coming Events:

Ranges:

 

American plum borer 1st flight subsides

848-1668

440-1205

Apple maggot 1st catch

1045-1671

629-1078

Dogwood borer 1st catch

798-1295

456-812

Obliquebanded leafroller 1st flight peak

869-1548

506-987

Obliquebanded leafroller summer larvae hatch

1076-1513

630-980

Oriental fruit moth 2nd flight begins

1152-1819

772-1215

Peachtree borer 1st catch

565-1557

299-988

San Jose scale 1st generation crawlers present

987-1247

569-784

Spotted tentiform leafminer 2nd flight peak

1266-2005

775-1355

 

TRAP CATCHES (Number/trap/day)

Geneva

6/8

6/12

6/15

6/19

Redbanded Leafroller

0.0

0.0

0.0

0.0

Spotted Tentiform Leafminer

5.7

6.8

40.2

174

Oriental Fruit Moth

0.5

0.6

0.3

0.3

Lesser Appleworm

1.0

0.9

0.5

0.5

Codling Moth

0.5

11.1

9.0

14.2

San Jose Scale

0.0

0.0

0.0

0.1

Pandemis Leafroller

0.2*

1.9

1.5

2.1

American Plum Borer

0.8

0.5

1.3

0.1

Lesser Peachtree Borer

0.5

4.8

1.7

3.6

Peachtree Borer

0.0

0.0

0.0

0.0

Obliquebanded Leafroller

0.2*

3.3

3.8

4.6

Highland (Dick Straub, Peter Jentsch):

5/30

6/5

6/12

6/19

Redbanded Leafroller

0.0

0.0

0.0

 0.0

Spotted Tentiform Leafminer

0.4

0.1

27.7

75.6

Oriental Fruit Moth

0.1

0.1

0.1

0.1

Codling Moth

1.2

0.7

1.1

3.4

Pear Psylla (eggs/50 leaves)

175

190

615

-

Pear Psylla (nymphs/50 leaves)

5.0

75

100

 -

Lesser Peachtree Borer

0.2

0.1

0.2

0.1

Lilac Borer

1.1

0.6

1.0

0.3

Dogwood Borer

0.0

0.0

0.0

0.0

American Plum Borer

2.9

0.0

1.4

0.6

Obliquebanded Leafroller

0.0

0.6*

1.0

0.6

Tufted Apple Budmoth

0.0

0.1*

1.0

0.6

* = 1st catch

 

 

 

 

PEST FOCUS

Geneva

Spotted Tentiform Leafminer 2nd flight began 6/15.

Obliquebanded Leafroller flight began 6/8. Degree days (base

43 F) since then = 293.

Codling Moth flight began 5/19; DD50 since then = 328. Time

for 1st CM spray, if you have not done so in the last week.

Highland

Aphid numbers increasing rapidly.

Codling Moth flight began 5/8; DD50 since then = 554.

Obliquebanded Leafroller flight began 6/5. Degree days (base

43 F) since then = 330.

Spotted Tentiform Leafminer 2nd flight began 6/12. DD43 since

then = 170.

 

>6.19 Insects