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1452Re: [beemonitoring] Bee collecting cactus spines? [1 Attachment]

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  • John S. Ascher
    Apr 5, 2011
      Regarding identification of this Osmia female, it appears to have strong
      white tergal hair bands. I therefore suspect that it could be Osmia
      (Diceratosmia) subfasciata subfasciata which has "been collected as early
      as March 7 at Brownsville, Texas" (not too far SSE of Harlingen).


      > Hi all,
      > I was out recently to take pictures of bees in the open prickly pear
      > cactus flowers, and noted a bee spending a lot of time around the spines. 
      > At first I thought it was a halictid due to its blue-green color, but
      > after examining the photos, I am not so sure anymore.  My next thought was
      > Osmia, but am a little confused by the behavior.  I know some bees will
      > collect other plant parts for nesting, but I didn't think Osmia was one of
      > those groups.  I have attached a picture of this bee, and was wondering if
      > someone might recognize it and/or explain the behavior.  The picture was
      > taken at the Arroyo Colorado birding center park in Harlingen, TX.
      > Thanks,
      > Chanda

      John S. Ascher, Ph.D.
      Bee Database Project Manager
      Division of Invertebrate Zoology
      American Museum of Natural History
      Central Park West @ 79th St.
      New York, NY 10024-5192
      work phone: 212-496-3447
      mobile phone: 917-407-0378
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