A new species of weevil, Phyllotrox canyonaceris Warner, is described, new synonomy, and distribution records of eight species of the genus Phyllotrox in North America are given.
Warner, Rose Ella
"Description of a new species of Phyllotrox infesting seeds of Acer grandidentatum, with new synonymy and a note on Euclyptus (Coleoptera: Curculionidae: Erirhininae),"
Great Basin Naturalist: Vol. 36
, Article 6.
Available at: http://scholarsarchive.byu.edu/gbn/vol36/iss4/6