It is considered to be monotypic although Walter Koelz suggested a new subspecies ruinarum in 1939 based on a specimen from Bhopal.
rock | Rock music | rock music | punk rock | alternative rock | Brown University | James Brown | indie rock | Gordon Brown | rock and roll | Punk rock | Chris Brown | rock band | Rock Band | 3rd Rock from the Sun | Kid Rock | 30 Rock | Rock | Brown | pop rock | folk rock | Brown v. Board of Education | Little Rock, Arkansas | Indie rock | Alternative rock | Rock Band 3 | Jerry Brown | classic rock | Kill Rock Stars | Rock and Roll Hall of Fame |