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    Alderfly (Sialis lutaria)

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    sesrocker
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    Alderfly (Sialis lutaria)

    Post by sesrocker on April 27th 2009, 19:19



    Scientific Name: Sialis lutaria
    Kingdom: Animalia
    Phylum: Arthropoda
    Subphylum: Hexapoda
    Class: Insecta
    Subclass: Pterygota
    Infraclass: Neoptera
    Superorder: Endopterygota or Neuropterida
    Order: Megaloptera
    Family: Sialidae
    Subfamily: Sialinae

    There are 66 species of Alderfly.

    Physical Characteristics
    They have a body length of less than 25 mm (1 inch), long filamentous antennae and four large dark wings of which the anterior pair is slightly longer than the posterior.

    Reproduction
    The females lay a vast number of eggs upon grass stems near water. The larvae are aquatic, active, armed with strong sharp mandibles, and breathe by means of seven pairs of abdominal branchial filaments. When full sized they leave the water and spend a quiescent pupal stage on the land before metamorphosis into the sexually mature insect.

    Distribution
    The most common is in the U.K.

      Current date/time is December 15th 2017, 23:31