1 literature reference for Phymatodes varius Knull, 1946:

Author: KNULL Josef Nissley
Year: 1946
Title: The long-horned beetles of Ohio (Coleoptera: Cerambycidae)
Source: Bulletin of the Ohio Biological Survey, Columbus 7 (4) 39: 133-354, 29 pls. (Ohio State University Studies 7, n° 4).