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Female imposters

Distinguishing female SWD from other fruit flies caught in traps can prove challenging. Look alike reports to help with identification have come in from Faruque Zaman, Long Island Horticultural Research & Extension Center, Riverhead, NY and Anna Wallingford, NY State Agricultural Experiment Station, Geneva, NY. Faruque's pictures are below. Anna's videos are at Finger Lakes SWD Monitoring, where she posts on Monday afternoons.

SWD look-alikes being caught in the past couple of weeks on Long Island. Note the small, fleshy, and lightly serrated ovipositor.
SWD look-alikes being caught in the past couple of weeks on Long Island. Note the small, fleshy, and lightly serrated ovipositor.

 

 

 

 

 

 

 

 

In this photo, the same fly is on it's belly to show the dorsal view. Note that the black bands are broken in the middle. In SWD the bands are unbroken.
In this photo, the same fly is on it's belly to show the dorsal view. Note that the black bands are broken in the middle. In SWD the bands are continuous.

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