Possible Clues:

• Harvester's rest
• Need to be very fly to escape this eight-foot predator
• Prised open the arachnid
• Natural weaver
• An eight-foot long snooker rest
• Huntsman or house, say
• Rest needed by chap going to pot
• Where one turns up and dies again, by the sound of it, with a website
• Webster noticed, it's said, by monarch
• Insect-eater takes a rest