Talk:Spider Den/@comment-86.7.192.203-20131226170327/@comment-188.123.229.101-20140107084330

They don't spawn afterwards, and yes it is an issue in your case, because silk is crucial, and killing spiders and destroying dens are the only ways to get it (unless you wanna go all hardcore and hunt spiders in caves). You sure you didn't set spiders to "none" when creating this world?