| landing patterns of phloem- and wood-feeding coleoptera on black spruce of different physiological and decay states. | we examined landing patterns of phloeophagous and xylophagous coleoptera among trees and snags of different physiological and decay states in a pure open-canopy black spruce stand in boreal canada to study prelanding host selection mechanisms in the absence of nonhost volatiles. sticky traps were used to capture insects landing on high- and low-density natural snags (i.e., wood density), girdled trees, living trees, and stovepipe controls. patterns were generally weak, with high within-group var ... | 2009 | 19508789 |