Plant Health & Pest Prevention Services
Pest Detection/Emergency Projects 
DETECTION ADVISORY
November 23, 1998

 PD103-98

Oriental Fruit Fly (OFF)

Los Angeles County

Alhambra

Two Oriental fruit flies were trapped on November 21, 1998, in Alhambra. Both finds are within the Alhambra OFF male annihilation treatment area.

One of the flies was an unmated female OFF that was discovered in a McPhail trap placed in a lemon tree along South 3rd Street. The second fly was a sexually immature male OFF that was found in a Jackson/methyl eugenol trap placed in a sapote along South 2nd Street. Both finds are on or near properties that OFF have previously been trapped.

CDFA inspector Phil Vega is credited with finding both OFF.

The trap density in the area of both finds is 25 Jackson/methyl eugenol and McPhail traps per square mile.
CDFA Insect Biosystematist Kevin Hoffman made the determinations.

SUMMARY - 1998 ORIENTAL FRUIT FLY FINDS

County

 Adults Trapped

 Date Last Adult Trapped

 Larval Properties

 Contra Costa

1

07/16/1998

 0

 Los Angeles

13

11/21/1998

 0

Orange

7

10/27/1998

 0

 Santa Clara

3

07/27/1998

 0

 Totals

24
 

 0

 

Prepared by: John Pozzi

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