Plant Health & Pest Prevention Services
Pest Detection/Emergency Projects 
DETECTION ADVISORY
July 16, 1998

 PD14-98

Mediterranean Fruit Fly (Medfly)

Marin County

Novato

On July 14, one sexually mature unmated female Mediterranean Fruit Fly was found in a Jackson/trimedlure trap by CDFA trapper Leo Zaro. The trap was placed in a plum tree at a residence along Via del Plano in Novato.

The trap density was 5 Jackson/trimedlure traps at the time of the find. In response, CDFA will increase the trap density to 100 Champ/yellow panel traps in the core square mile. The Champ/yellow panel trap density will be 50 traps in the first buffer of eight square miles. Outside the first buffer, the trap density will be a 25-20-10 Jackson/trimedlure array.

In addition, CDFA will increase the trap density to 25 McPhail traps in the core and 5 McPhail traps per square mile in the remaining 80 square mile area.

CDFA will also conduct a door-to-door fruit survey within 200m of the find site.

CDFA Insect Biosystematist Kevin Hoffman made the determination.

SUMMARY - 1998 MEDITERRANEAN FRUIT FLY FINDS

County

 Adults Trapped

 Date Last Adult Trapped

 Larval Properties

Marin

1

 07/14/1998

 0

 Totals

1
 

 0

 

Prepared by: John Pozzi

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