Bug of the Week: Spider Mystery August 26, 2009 / Roberta / 2 Comments Today we have another mystery. What is this marbled cellar spider, Holocnemus pluchei, carrying? spiders cellar spider Previous post Birding Bonanza Next post Baby Spiders and Some Cool Spider Books 2 Comments Catherine August 26, 2009 at 2:23 pm babies? or ants Roberta (Post author) August 30, 2009 at 12:40 pm Catherine, your first answer right. These are baby spiders that the spider is carrying. You may have seen some spiders that carry their offspring on their back, like wolf spiders. Other spiders leave their eggs in a sac. This is the first time I have seen babies carried this way. Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Name * Email * Website Notify me of follow-up comments by email. Notify me of new posts by email. Δ This site uses Akismet to reduce spam. Learn how your comment data is processed.