Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. The False Bruce Spanworm or Eversmann's Peacock (Macaria loricaria) is a moth of the Geometridae family. It is found from Fennoscandia and the Baltic States to Sakhalin. It is also found in North America, where it is found from Alaska to Newfoundland and New York, south to Colorado.The wingspan is 25-29 mm for males. Females are wingless. Adults are on wing from mid July to August in Europe and from late June to late July in North America.