A revision of the spider mite family Tetranychidae. Memoirs of the Pacific Coast Entomological Society, 2 1955: 1-472. 219 [Zoological Record Volume 110]
A revision of the spider mite family Tetranychidae. Mem Pacif Coast ent Soc, 2 1955: 1-472. 218 [Zoological Record Volume 92]