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, New Zealand Royal Oak, New Zealand Royal Oak is a small suburb in New Zealand's largest city of Auckland. It is situated between the suburbs of Epsom (north) and Onehunga (south). Royal Oak is under the local governance of the Auckland Council. The population was 5,421 in the 2006 Census, an increase of 366 from 2001. It is named after the Royal Oak hotel that was located on the Royal Oak Roundabout. In 1909 the hotel lost its licence to sell alcohol. For many years it was a pharmacy before being used as the premises of Barfoot & Thompson Real Estate Agency.