Hydrellia sp. (genus)

1 Lawn or Pasture Fly at Yarralumla, ACT

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Hydrellia sp. (genus) MichaelMulvaney 14 May 2026
Unverified TimL 14 May 2026

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User's notes

The images show a tiny fly perched on the filament of a flower next to the stamen, with a regurgitated droplet of nectar. Within the droplet is an inverted image of a background flower. Insects that drink nectar such as flies, bees, wasps and the like use this mechanism to concentrate the nectar they’ve collected by evaporating water from it. This produces more nutrient rich nectar and a lighter load for the insect. It’s always worth a closer look at winged insects sitting quietly amongst foliage to see if they are blowing nectar ‘bubbles’ like this.

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Location information

Sighting information

  • 1 Abundance
  • 12 May 2026 11:30 AM Recorded on
  • TimL Recorded by
  • 5mm to 12mm Animal size
  • Yes Insect on a flower

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Species information

Record quality

Quality score 6 / 7
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  • More than one media file
  • Verified by an expert moderator
  • GPS evidence of location
  • Description
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  • Nearby sighting(s) of same species
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