Yes. A hollow wing is even easier than a fuse. Balsa sandwich skins with a liitle more glass or carbon in the high stress areas. Wings require just a couple ribs in key places to hold stuff in, like wing tube sockets.

The Science Channel did a very quick video review of BVM composite wing construction. A jet wing has much more structure and strength in it than we would need in a pattern wing but the elements of the overall process were well outlined in that review