family
Bridge Flies
Helcomyzidae
Field notes
The Helcomyzidae are a small family of flies in the Acalyptratae. The larvae feed on kelp and other organic matter washed up on shorelines. Species diversity is highest in New Zealand and south temperate South America. They are sometimes allied with the families Dryomyzidae or Coelopidae.
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Range
Greener is more native, amber more introduced; paler is less certain. How this was decided