Some caterpillars get eaten from the inside out. Then they babysit for their killers. Its sounds like a horror show. But it's not. It's nature. Parasites are plants and animals that live on other plants and animals.

"Red system" series part identified by red band on books as identified on publisher webpage for Fountas & Pinnell Leveled Literacy Intervention System (LLI) http://www.heinemann.com/fountasandpinnell/lli_Overview.aspx.