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  • Robberfly - (Laphria astur)

    Robberfly - (Laphria astur)

    A fast-flying bee mimic, fuzzy and buzzing Laphria astur is a Robberfly that may have people needlessly dodging for cover.

    Picture of Robberfly
    Staff Writer (8/14/2017): Agile airborne predators, Robberflies are quick, large, fierce when it comes to capturing a meal. Robberflies eat other flying insects like beetles, bees, and flies. They sit still on leaves or branches, waiting for prey to fly nearby. Once a target is spotted, the Robberfly darts to it, intercepts it (usually in the air) and kills it. The meal is eaten on the ground or in a tree, not mid-air.

    Laphria astur has the overall appearance of a bumble bee. The speed of flight of the Robberfly is faster though, and the buzzing noise they make is a bit louder. Robberflies have short antennae and slender bodies. Look for it in the northwestern states and provinces of the continent.

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    Details of the:

    Category: Fly or Mosquito
    Common name: Robberfly
    Scientific Name: Laphria astur

      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Diptera
          Family: Asilidae
           Genus: Laphria
            Species: astur

    Size (Adult, Length): 15mm to 22mm (0.59in to 0.87in)

    Identifying Colors: yellow, black, brown

    Additional Descriptors: fast, loud, buzz, bee-like, hairy, fuzzy, beard, flying

    North American Reach (Though Not Limited To*): Alaska; California; Idaho; Montana; Oregon; Washington; Alberta; British Columbia

    * Keep in mind that an insect's reach is not limited by lines on a map and therefore may appear in areas/regions/states beyond those listed above.

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