Plant Health & Pest Prevention Services
Pest Detection/Emergency Projects 
DETECTION ADVISORY
July 21, 1998

 PD18-98

Mexican Fruit Fly (MxFF)

San Diego County

El Cajon

On July 20, San Diego County trapper Joy Murray-Roseberry found four wild Mexican Fruit Flies in a McPhail trap along Bermuda Lane. Among the finds were one sexually mature male, one sexually immature male, and two sexually immature females, both unmated. The trap was placed in a plum tree.

The trap density was ten McPhail traps per square mile. In response, CDFA will increase the McPhail trap density to 80 traps per square mile in the core, and 40 traps per square mile in the surrounding eight square miles.

CDFA Insect Biosystematist Kevin Hoffman made the determination.

SUMMARY - 1998 MEXICAN FRUIT FLY FINDS

County

 Adults Trapped

 Date Last Adult Trapped

 Larval Properties

 Orange

1

 07/09/1998

 0

San Diego

5

07/20/1998

 0

Ventura

1

 04/21/1998

 0

 Totals

7
 

 0

 

Prepared by: John Pozzi

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