The larvae bore the cones of various coniferous trees, including Picea glauca, Picea engelmannii, Pseudotsuga menziesii, Abies balsamea, Pinus resinosa and Pinus banksiana.
Picea abies | Picea engelmannii | Picea mariana | Poa glauca | Picea glauca | Nicotiana glauca | Casuarina glauca | Picea sitchensis | Festuca glauca | Yucca glauca | Stypandra glauca | Quercus glauca | Picea glehnii | ''Notonecta glauca'' | Hoffmannseggia glauca | Arctostaphylos glauca | Agoseris glauca | Abarema glauca |