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Cellar Spider Eggs Developing

Last week I posted an image of a cellar spider with her eggs. She’s still there, and here is a photo from today. If you compare today’s image with the one from last week, you can see the eggs look very different (last week’s photo, for reference: http://www.sxmwildlife.com/cellar-spider/). The difference is that the outer layer of the egg, the chorion, has ruptured, and the sac containing the eggs has been loosened because the eggs have expanded. In a few days, the spiderlings should be emerging.


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