The Genera Hypera and Phytonomus in America, North of Mexico
Published in Annals of the Entomological Society of America, in 1911, in volume 4, issue 4, pages 383-473
Date published:1911
Published in Annals of the Entomological Society of America, in 1911, in volume 4, issue 4, pages 383-473
Date published:1911