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Spider with Egg Sac - Family Linyphiidae This spider was putting her egg sac in the underside of a gall (Aceria triplacis galls). In the upper right of this photo, you can see 2 tiny spider mites. <br />
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Habitat: Oak leaf; deciduous forest<br />
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The galls can be seen here:<br />
<figure class="photo"><a href="https://www.jungledragon.com/image/107867/aceria_triplacis_galls.html" title="Aceria triplacis Galls"><img src="https://s3.amazonaws.com/media.jungledragon.com/images/3232/107867_thumb.jpg?AWSAccessKeyId=05GMT0V3GWVNE7GGM1R2&Expires=1623888010&Signature=kI9%2FkmbGQ7tJzAuasRAMftkBr1I%3D" width="200" height="152" alt="Aceria triplacis Galls Habitat: Oak (Quercus alba)<br />
https://www.jungledragon.com/image/107869/galls_or_fungus_undersurface.html<br />
https://www.jungledragon.com/image/107868/galls_or_fungus.html Aceria,Aceria triplacis,Geotagged,Summer,United States,gall mite,mite" /></a></figure> Arachnida,Araneae,Geotagged,Linyphiidae,Summer,United States,spider Click/tap to enlarge Promoted

Spider with Egg Sac - Family Linyphiidae

This spider was putting her egg sac in the underside of a gall (Aceria triplacis galls). In the upper right of this photo, you can see 2 tiny spider mites.

Habitat: Oak leaf; deciduous forest

The galls can be seen here:

Aceria triplacis Galls Habitat: Oak (Quercus alba)<br />
https://www.jungledragon.com/image/107869/galls_or_fungus_undersurface.html<br />
https://www.jungledragon.com/image/107868/galls_or_fungus.html Aceria,Aceria triplacis,Geotagged,Summer,United States,gall mite,mite

    comments (4)

  1. Oh my goodness, how special! What a great behavioural observation Christine. I wonder why she was doing that, if it is a regular practice.... Posted 3 months ago
    1. Thanks, Ruth! I wondered the same -- is it an accident, a lucky chance, or a beneficial and regular behavior. I'm intrigued and like to think this is a regular practice. It's so smart! Posted 3 months ago
  2. Whoah! This is wonderful. Have you tagged Charley Eiseman in this series on iNaturalist? If you won't, I will :D Posted 3 months ago
    1. Thanks! I haven't tagged him and am a bit shy to do so; but, I did post it there and added it to the gall list. I hope he sees it! Feel free to tag him ;). Posted 3 months ago

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View Christine Young's profile

By Christine Young

All rights reserved
Uploaded Jan 26, 2021. Captured Jul 4, 2020 22:06 in 91 Main St, Sharon, CT 06069, USA.
  • Canon EOS 90D
  • f/5.6
  • 1/166s
  • ISO500
  • 100mm