I'd go with that - unless they are of the Brown Tail moth, which can be a real problem to all.....and your local council may like to know. They overwinter in tight cobweb like pockets and this is the time to get rid ie cut them out, put them in a bag and burn them! This site may be of interest. http://www.brighton-hove.gov.uk/index.cfm?requ est=c1001067