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Kukulcania hibernalis building a sack

Her web has been the disorganized tangle typical Kukulcania spiders. But I woke up this morning to find her industriously building this very fine sack around her. Is this the start of an egg sac? She has been in my care for over a month without suitors...

Kukulcania hibernalis building a sack
ErinM31, Apr 2, 2016
Ciri, ZestyVenmon and louise f like this.
    • louise f
      sounds exiting. i dont know about those, crossing for an sac. could be fun ;)
      Ciri and ErinM31 like this.
    • ErinM31
      @louise f Hehe, yes indeed! I've read how the spiderlings will hunt together as well as the mother helping them kill prey. I had thought about finding her a mate but it may be that she had already taken care of that! ;)

      I had been planning on moving her to a different container as the particular lid of this deli type container I felt was too disruptive when I would open and close it to feed her. I guess now I'll need to wait! :wideyed:
      louise f likes this.
    • ZestyVenmon
      Stoked to find out what it turns out to be.
      ErinM31 likes this.
    • ErinM31
    • ErinM31
      Yep, definitely an eggsac! I just read Courtship, Egg Sac Construction, and Maternal Care in Kukulcania hibernalis, with Information on the Courtship of Misionella mendensis (Araneae, Filistatidae) by Barrantes and Ramírez (Arachnology 2013) and it perfectly described what my Kukulcania's been building and gives me an idea what to look forward to. I think she completed her eggsac much faster than the spiders in the study -- who had been virgins -- so mine is probably an experienced mom. ;)
      louise f likes this.
    • Rating:
      louise f
      congratz. do post pics of babies. :)
      ErinM31 likes this.
    • ErinM31
      louise f likes this.
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  • Category:
    True Spiders & Other Arachnids
    Uploaded By:
    Apr 2, 2016
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    File Size:
    1.2 MB
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    Date / Time:
    2016:04:02 09:52:29
    Exposure Time:
    1/20 sec
    ISO Speed Rating:
    ISO 160
    Focal Length:
    4.12 mm

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