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

 PD58-98

Oriental Fruit Fly (OFF)

Orange County

Garden Grove

CDFA trapper Israel Rodriguez found a male OFF on September 15, 1998. The fly was found in a Jackson/methyl eugenol trap placed in a lemon tree along La Grand Avenue.

This find is within a mile of an earlier OFF find in Anaheim on August 26, 1998 (PD50-98). In response to these finds, CDFA will initiate OFF male annihilation in the area beginning September 17, 1998. The treatment boundary will cover a 14-square-mile area around the finds.

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 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

4

09/15/1998

 0

 Santa Clara

3

07/27/1998

 0

 Totals

13
 

 0

 

Prepared by: John Pozzi

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