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  • Common Sanddragon - (Progomphus obscurus)

    Common Sanddragon - (Progomphus obscurus)

    The Common Sanddragon is an in-flight hunter, zipping back-and-forth from rest to ambush in mere seconds.


    Picture of Common Sanddragon


    Staff Writer (1/3/2014): The Common Sanddragon is a dragonfly that prefers moving water. They can be found by streams, creeks and small rivers, flying over and around the water in search of insect prey. They rest on rocks, boulders, logs or branches. On very hot days, they raise their long abdomen straight into the air as a way to cool off.

    Females have a slender abdomen; males have a slight flare or bulge at the end of theirs. Females will cruise along the surface of the moving water alone, occasionally dropping a fertilized egg into it by dipping her long abdomen into the water.

    Once the egg hatches, a young naiad (juvenile) emerges and immediately begins burrowing into the sandy bottom of the stream (and the name 'sand+dragon' becomes clear). The stout naiad looks more like a crustacean than a dragonfly and will undergo molting before it emerges from the water, develops wings and becomes a fully mature adult. Naiads eat other aquatic insects and live underwater. Adults eat flying insect prey and remain land-bound for the rest of their lives. They are most active in summer and fall months.

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    Details of the:
    Common Sanddragon


    Category: Dragonfly or Damselfly
    Common name: Common Sanddragon
    Scientific Name: Progomphus obscurus
    Other Names: Sanddragon

    Taxonomy:
      Kingdom: Animalia
       Phylum: Arthropoda
        Class: Insecta
         Order: Odonata
          Family: Gomphidae
           Genus: Progomphus
            Species: obscurus





    Size (Adult, Length): 43mm to 71mm (1.69in to 2.80in)

    Identifying Colors: black, brown, yellow, white

    Additional Descriptors: dragonfly, flying, stripes, beneficial


    North American Reach (Though Not Limited To*): Alabama; Arkansas; Colorado; Connecticut; Delaware; Florida; Georgia; Idaho; Illinois; Indiana; Iowa; Kansas; Kentucky; Louisiana; Maine; Maryland; Massachusetts; Michigan; Minnesota; Mississippi; Missouri; Nebraska; New Hampshire; New Jersey; New Mexico; New York; North Carolina; North Dakota; Ohio; Oklahoma; Pennsylvania; Rhode Island; South Carolina; South Dakota; Tennessee; Texas; Vermont; Virginia; West Virginia; Wisconsin; Wyoming; New Brunswick; Newfoundland and Labrador; Nova Scotia; Ontario; Prince Edward Island; Quebec; Mexico


    * 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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