Apple Maggot Fly  
Rhagoletis pomonella

"Railroad Worm" (larva)

apple maggot fly
This only time I have seen one of these and it was quite exciting. At first I thought it was a small spider
resting on a leaf at Red Butte Garden
in Salt Lake City, Utah  © Carol Davis 9-4-2012


Rhagoletis pomonella
Gardeners are not excited to see these as since they feed on the flesh of fruit. Bugguide reports
 they initially fed on wild Hawthorn but have slowly moved to apples and cherries over the last 100 years.
   The University of Florida has an
extensive article about these beautifully-patterned flies.  © Carol Davis 9-4-2012


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