Plant Health & Pest Prevention Services
Pest Detection/Emergency Projects 
DETECTION ADVISORY
September 15, 1998

 PD57-98

Oriental Fruit Fly (OFF)

Los Angeles County

Alhambra

Two male OFF were found by Los Angeles County trapper Raul Garcia along South 2nd Street in Alhambra. Raul found the flies while inspecting a Jackson/methyl eugenol trap in a peach tree on September 15, 1998.

The trap density in the area was five Jackson/methyl eugenol and five McPhail traps per square mile. In response, CDFA will raise the Jackson/methyl eugenol and McPhail trap densities to 25 traps per square mile in the core square mile around the find.

CDFA will also initiate OFF male annihilation in a nine square mile area around the finds. Treatment is scheduled to begin on September 16, 1998.

CDFA Insect Biosystematist Kevin Hoffman made the determination.

SUMMARY - 1998 ORIENTAL FRUIT FLY FINDS

County

 Adults Trapped

 Date Last Adult Trapped

 Larval Properties

 Contra Costa

1

07/16/1998

 0

 Los Angeles

5

09/15/1998

 0

Orange

3

08/26/1998

 0

 Santa Clara

3

07/27/1998

 0

 Totals

12
 

 0

 

Prepared by: John Pozzi

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