True Flies

Diptera

Quick Facts

  • Species

    Native

  • Size

    True flies range in size from midges of little more than 1 mm to robber flies more than 7 cm long.

  • Habitat

    True flies are most common in humid, moist environments, but can also be found in deserts, forests, mountains, and even polar regions. They are also common in both fresh and saltwater environments such as lakes, ponds, streams, marshes and swamps.

  • Diet

    Adults feed on plant or animal juices or other insects. 

  • Lifespan

    Varies based on species.
  • Status

    Stable

Diptera, commonly referred to as “true flies,” are a class of two-winged insects such as mosquitos, backflies or horseflies. One of the largest insect orders, it numbers more than 125,000 species.

Appearance

These insects have one pair of flight wings and a pair of modified hind wings called halteres, which are used for balancing.  They have large compound eyes and the antennae are variable depending on the species. 

Feeding

Adults feed on plant or animal juices or other insects. 

Reproduction and Life Cycle

The life cycle of a true fly consists of four stages: egg, larva, pupa, and adult. The process and duration of these stages varies based on species. 

Did You Know?

  • The word Diptera comes from the Greek di for 'two' and ptera for 'wings.
  • The creatures serve as an abundant food source for many well-loved species and in many cases are even important pollinators.

Sources and Additional Information

Quick Facts

  • Species

    Native

  • Size

    True flies range in size from midges of little more than 1 mm to robber flies more than 7 cm long.

  • Habitat

    True flies are most common in humid, moist environments, but can also be found in deserts, forests, mountains, and even polar regions. They are also common in both fresh and saltwater environments such as lakes, ponds, streams, marshes and swamps.

  • Diet

    Adults feed on plant or animal juices or other insects. 

  • Lifespan

    Varies based on species.
  • Status

    Stable