Intertaxon relationships
species
Western Conifer Seed Bug
Leptoglossus occidentalis Heidemann, 1910
Picea glauca (Moench) Voss - White Spruce 
Pinus contorta Douglas ex Loudon - Lodgepole Pine
Pinus mugo Turra - Mountain Pine
Pinus nigra J.F. Arnold - European Black Pine
Pinus resinosa Aiton - Red Pine
Pinus strobus L. - Eastern White Pine
Pinus sylvestris L. - Scots Pine
Pistacia vera L. - Pistachio Nut
Pseudotsuga menziesii (Mirb.) Franco - Douglas-fir