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Pronunciation:  [Sigh·oh·MY·zi⋅dae]

Common Name:  Marsh Flies

Description:   Marsh flies are common along the edges of ponds and rivers, and in marshy areas.  The adults are small to medium-sized flies with dull brown, gray, or yellowish body color.  Most species have patterns of spots on the wings.  The larvae are parasites of slugs and snails.


Spot ID Key Characters:

  1. Wings usually marked with spots
  2. Femur of middle leg has a prominent bristle near its mid-point
  3. Antennae extend forward noticeably

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Order:  Diptera