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Fort Sumner State Monument Odes

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  • Robert Larsen
    Here is a list of species observed from the aquatic habitats at Fort Sumner State Monument, De Baca County, New Mexico made on May 8, 2005. Some rare and
    Message 1 of 1 , May 11, 2005
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      Here is a list of species observed from the aquatic
      habitats at Fort Sumner State Monument, De Baca
      County, New Mexico made on May 8, 2005. Some rare and
      unusual polymorphic female forms (black homeochromatic
      forms) of Ischnura were found at the small sandy
      spring fed sink hole in the northwest corner of the
      monument's natural area along with one new county
      record and one new seasonal record for New Mexico.

      Among the homeochromatic (andromorphic - colored like
      the males) females are a previously undescribed jet
      black female form of Ischnura damula; the rare jet
      black female of Ischnura demorsa described by Johnson
      in 1966; and the rare homeochromatic (andromorphic)
      form of Ischnura denticollis described by Calvert in
      1907 with blue exclamation marks as antihumeral
      stripes. Common heterochromatic (gynomorphic -
      colored differently than males) forms of the female
      Ischnura damselflies were also found. I will post
      some notes on the andromorphic females of Ischnura
      found at Fort Sumner.



      Dragonflies and Danselflies:


      American Rubyspot (Hetaerina americana) stream

      Powdered Dancer (Argia moesta) stream

      Familiar Bluet (Enallagma civile) NW sink hole

      Kiowa Dancer (Argia immunda) stream, new for De Baca
      County

      Blue-ringed Dancer (Argia sedula) stream

      Violet Dancer (Argia fumipennis violacea) NW sink

      Double-striped Bluet (Enallagma basidens) NW sink

      Arroyo Bluet (Enallagma praevarum) stream

      Desert Forktail (Ischnura barberi) NW sink hole

      Plains Forktail (Ischnura damula) NW sink hole

      Mexican Forktail (Ischnura demorsa) NW sink hole

      Black-fronted Forktail (Ischnura denticollis) sink

      Citrine Forktail (Ischnura hastata) NW sink hole

      Western Forktail (Ischnura perparva) springs, with
      new early flight season record for New Mexico.

      Flame Skimmer (Libellula saturata) stream

      Variegated Meadowhawk (Sympetrum corruptum) stream

      Dot-winged Baskettail (Epitheca petechialis) stream


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      Robert R. Larsen
      906 E. Orange St.
      Roswell, New Mexico 88201-7440
      USA


      Phone: 1-505-623-5548
      Regular e-mail: roblrsn@...



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