I think it would be a good idea too. But I also think that these parts should be renamed by length instead of number of ribs.
Brickset lists a number of ribbed hoses with length and proper design number. http://www.brickset.com/parts/search/?query=corrugated
Brickset lists a number of ribbed hoses with length and proper design number. http://www.brickset.com/parts/search/?query=corrugated