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  • Antennae not aristate

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    Antenna aristate

     

     

     

     

     

     

    [Muscomorpha]

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    • Mouthparts vestigial (poorly developed)

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      Oestridae

      Mouthparts well developed

      [Muscomorpha]

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    • Mouthparts slender, erect, rigid (hard)

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      Mouthparts pendant, fleshy (often looking like a kitchen sponge)

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    • Thorax with clear longitudinal stripes dorsally

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      Thorax without longitudinal stripes dorsally

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    • Base of stem vein without bristles

       

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      Base of stem vein with bristles

      Metallic green or bluish colour

      Chrysomya
  • Antennae with more than 8 segments

     

     

     

     

     

     

     


    [Nematocera]

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    Antennae with 8 or fewer segments

     

     

     

     

     

    [Tabanomorpha]

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  • 1st segment of antennal flagellum lacks horn–like projection

    Hind tibia with apical spurs

    Wings often with stripe

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    Chrysops

    1st segment of antennal flagellum with horn–like projection

    Hind tibia without apical spurs

    Wings clear

    Tabanus
  • Mouth parts no longer than head

    Wings broad without scales

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    Mouthparts much longer than head

    Culicidae
  • Antennae shorter than the thorax and never plumose (feather–like)

    Legs strong

    Thickset body covered with soft down

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    Simuliidaae

    Antennae longer than the thorax

    Antennae prominent and plumose in male but short and pilose (hair–like) in female

    Body not covered with down

    Wings frequently spotted

    Ceratopogonidae
  • Palps nearly as long as proboscis

    Fly body 3 – 4mm long

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    Haematobia

    Palps much shorter than proboscis & often not seen

    Fly body 7 – 8 mm long

    Stomoxys
  • Abdomen dorsally chequered black and silver

    Terminal abdominal segment usually red

    ≥ 10mm long

    3 dark stripes on thorax

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    Sarcophaga

    Abdomen dorsally less chequered grey and flesh

    Terminal segment not red

    5-8mm long

    4 dark stripes on thorax

    Musca
  • Body metallic or coppery green, <8 mm long

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    Lucilia

    Body blue-black, yellow to brown or black, 8-10mm long

    Callophora