Related Program: NatureNotes Chinese Mantis Egg Cases By Rudy Mancke • Jan 14, 2020 Related Program: NatureNotes ShareTweetEmail Chinese mantis egg case Katja Schulz [CC BY 2.0] via Flickr If you find one of these egg cases, leave them in place. The mantis will emerge in spring. Listen Listening... / 1:00 Listen... NatureNotes is a production of South Carolina Public Radio. Tags: NatureNatureNotesscetv.orgSCETV AppShareTweetEmailView the discussion thread.