Thanks for the link Tallyho8.......did some quick research and here's a summary: (also found the wood is extremely hard and has one of the highest BTU outputs of all wood). Also - apologies for sidetracking the Pawpaw discussion.......
The wood of the Osage-orange is golden yellow or bright orange when first cut, but turns brown on exposure. The wood is extremely hard, heavy, tough, and durable. It also shrinks or swells very little compared to the wood of other trees. The wood is used for fence posts, insulator pins, treenails, furniture, and archery bows. In fact, many archers consider the wood of the Osage-orange to be the world's finest wood for bows. (The name bodark is from the French bois d'arc mean "bow wood.") Also, a bright yellow dye can be extracted from the wood.
The use of the hedge apples for insect control is one of the most enduring pest management home remedies. Placement of hedge apples around the foundation or inside the basement is claimed to provide relief from cockroaches, spiders, boxelder bugs, crickets and other pests.