A synopsis and phylogenetic outline of the Nearctic members of Cheumatopsyche. Proceedings Acad Nat Sci Philad, 126(9) 1974: 117-160. 138 [Zoological Record Volume 112]
A synopsis and phylogenetic outline of the nearctic members of Cheumatopsyche. Proceedings Acad Nat Sci Philad, 126(9) 1974: 117-160. 138 [Zoological Record Volume 111]