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Northern Caddisfly (Limnephilidae) Egg Mass These caddisfly eggs were spherical, yellow, and were suspended in a gelatinous covering. I found several egg masses like this attached to vegetation and wood along the edge of a river. They were slightly above the water line, although the area does flood regularly.  The northern caddisflies (Limnephilidae) sometimes attach their egg masses to objects above the water or in dry vernal pools, so this is not unusual behavior. Fall,Geotagged,Limnephilidae,United States,caddisfly,caddisfly eggs,egg,eggs,trichoptera,trichoptera eggs Click/tap to enlarge

Northern Caddisfly (Limnephilidae) Egg Mass

These caddisfly eggs were spherical, yellow, and were suspended in a gelatinous covering. I found several egg masses like this attached to vegetation and wood along the edge of a river. They were slightly above the water line, although the area does flood regularly. The northern caddisflies (Limnephilidae) sometimes attach their egg masses to objects above the water or in dry vernal pools, so this is not unusual behavior.

    comments (16)

  1. Was this found near a wetland, either permanent or ephemeral? Posted 6 years ago
    1. Yes, it was found at the edge of a river (in a floodplain). Posted 6 years ago
      1. Then it could be a caddisfly egg mass. Posted 6 years ago
        1. My thought exactly! I saw many of these when I took aquatic entomology and was told that they were caddisfly eggs. Posted 6 years ago
      2. Here's an egg mass similar to what you've got posted here. https://bugguide.net/node/view/757901/bgimage Posted 6 years ago
        1. That's a nice shot! Posted 6 years ago
          1. It is a good one. I looked over the caddisfly egg mass photos posted at BG. They don't have many but I guess if you want to get photos of them you've got to be willing to get your feet wet. I can't for the snow and ice to melt here so I can do a little investigating of the stream that flows through my property. Posted 6 years ago
            1. Sounds fun! I don't mind wet feet at all and can't wait for the snow to melt as well so I can go streaming! Aquatic macroinvertebrates are so cool :) Posted 6 years ago, modified 6 years ago
              1. How much snow have you got there? Posted 6 years ago
                1. There's only about a foot left in the woods. We didn't get many big storms this winter. It should get into the 40's and maybe 50's this coming week though! How much do you have? I hope you're not buried! Posted 6 years ago
                  1. Two and a half feet but the weather got very warm today so it is beginning to melt. The bad news is that another storm is poised to hit us this afternoon until Sunday as a mix of wet snow and maybe rain. Then a warm up in the 30s and 40s. Posted 6 years ago
                    1. Wow! I hope winter doesn't linger much longer for you! Posted 6 years ago
                      1. Hardly any snow fell so that's a relief. And it is going to get very warm low to mid-40s for at least a week. It might rain a little, too. Posted 6 years ago
                        1. Awesome! Temps are warming here too. Posted 6 years ago
  2. Very cool! I've never seen anything like it. And love the list you're build too! Eggcellent. Posted 6 years ago
    1. Hehe, thanks! Posted 6 years ago

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By Christine Young

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Uploaded Mar 9, 2019. Captured Oct 26, 2018 13:44 in 110 Franklin Square, New Britain, CT 06051, USA.
  • Canon EOS 80D
  • f/2.8
  • 1/128s
  • ISO500
  • 100mm