Ceutorhynchus (Ceutorhynchus) sparsus Hatch 1972

Hatch 1972. The beetles of the Pacific Northwest. Part 5. Rhipiceroidea, Sternoxi, Phytophaga, Rhynchophora, and Lamellicornia. University Wash. Publs Journal Cell Biol, 16 1972: i-xiv,1-662