Fruit Fly
"Sunflower Seed Maggot"
Neotephritis finalis

fruit fly
As you can see, these fruit flies were very aware they were being photographed but they were not about to split up.
 You can get a pretty good idea of why they have a reputation for rapid reproduction.  Larvae of this species can
cause damage to the heads of sunflower plants. The USDA has a good article here.  © Carol Davis 8-23-2011

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