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Spot ID Characters for the Family



Key Characters:

  • Large body size
  • Prominent mandibles (especially some males)
  • Filiform or pectinate antennae

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Dobson flies are recognized by their hyaline wings and their large mandibles that often serve as pinchers.  These mandibles are smaller in females but can become quite large in some males  Adults live near aquatic areas but may be attracted to lights at night.  Larvae are aquatic and are commonly used as bait by fishermen.