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Goldenrod Gall - Eurosta solidaginis These galls are pretty common on goldenrod. They are caused by the fruit fly, Eurosta solidaginis, the larvae of which form round galls on the stem of Solidago sp. There is a small hole in this gall, which I&#039;m guessing is an exit hole. Otherwise, it could be from a parasitoid.<br />
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Habitat: Meadow Eurosta,Eurosta solidaginis,Geotagged,Goldenrod gall fly,United States,Winter,gall Click/tap to enlarge

Goldenrod Gall - Eurosta solidaginis

These galls are pretty common on goldenrod. They are caused by the fruit fly, Eurosta solidaginis, the larvae of which form round galls on the stem of Solidago sp. There is a small hole in this gall, which I'm guessing is an exit hole. Otherwise, it could be from a parasitoid.

Habitat: Meadow

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The goldenrod gall fly, also known as the goldenrod ball gallmaker, is a species of fly native to North America. The species is best known for the characteristic galls it forms on several species in the ''Solidago'', or goldenrod, genus.

Similar species: True Flies
Species identified by Christine Young
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By Christine Young

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Uploaded Dec 2, 2021. Captured Mar 9, 2021 16:27 in 5 East St, New Milford, CT 06776, USA.
  • Canon EOS 90D
  • f/3.5
  • 1/256s
  • ISO100
  • 100mm