Plant Health & Pest Prevention Services
Pest Detection/Emergency Projects 
DETECTION ADVISORY
August 4, 1998

 PD39-98

Gypsy Moth (GM)

Sonoma County

Sonoma

On August 3, Sonoma County trapper Renee Milligan found one male GM while servicing Delta/GM traps. The trap was placed in an oak tree along Lovall Valley Road.

At the time of the find, the trap density was two Delta/GM traps per square mile. The find is near a 008A regulated property. In response, Sonoma County Department of Agriculture will increase the Delta/GM trap density to 25 traps in the square mile around the find.

CDFA Insect Biosystematist Tom Eichlin made the determination.

SUMMARY - 1998 GYPSY MOTH FINDS

County

 Adults Trapped

 Date Last Adult
Properties
Egg Masses/Pupal Cases

 Detection

Quarantine

 Mariposa

1

0

 07/23/1998

 0

 Merced

1

0

 07/23/1998

 0

San Diego

1

0

 07/20/1998

 0

 Sonoma

2

1

 08/03/1998

 0

 Totals

5

1
 

 0

 

Prepared by: John Pozzi

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