Oak apple due to the superficial resemblance and the preponderance of the oak marble gall in the wild. Other galls found on oak trees include the oak artichoke gall and the acorn cup gall, but each of these has its own distinctive form. Some common oak-apple-forming species are the "Biorhiza pallida" gall wasp in Europe, "Amphibolips confluenta" in eastern North America, and "Atrusca bella" in western North America. Oak apples may be brownish, yellowish, greenish, pinkish, or reddish. Oak galls have been used in the production of ink since at least the time of the Roman Empire. From the Middle Ages to
Royal Oak, Michigan Landmark Main Art Theatre. Mark Ridley's Comedy Castle, a comedy club, was an early venue for performers such as Tim Allen and Dave Coulier. The many restaurants range in fare from take-out sandwiches to high-end establishments specializing in cuisines like Italian, Belgian, Nepali, and others. Pubs include biker bars, dance clubs, upscale breweries, sports bars, and rooftop bars. During the summer, downtown Royal Oak becomes host to hordes of motorcycle enthusiasts from around Metro Detroit. On Wednesday nights Main Street is often lined with Harley-Davidsons, whereas on Thursday night the streets fill up with sport bikes. Royal Oak encompasses a