Morphological phylogeny of Nearctic Scolytus. Phylogram of one of 1016 most parsimonious trees (L = 262, CI = 0.332, RI = 0.539) generated for 37 taxa with 43 characters from a heuristic search of 1000 stepwise random additions with TBR in PAUP*. Numbers above the node indicate bootstrap values (>50). Bremer support values are listed below the node. The Nearctic hardwood and conifer clades are indicated in blue and green respectively. Non-monophyletic species are indicated in purple. * denotes species exotic to the Nearctic.