| The decline of grosbeak winter invasions in the 1980s may be tied to the end of a huge infestation of budworm in the eastern provinces. |
| Sugar pine tortrix larva with ivory colored spots, easily confused with western spruce budworm. |
| In the southeastern boreal forest, large canopy openings caused by spruce budworm outbreaks may lead to a cyclical replacement of mature stands of balsam fir. |
| The fishing industry of Canada has become alarmed by the use of DDT spray for control of the spruce budworm. |
| A suppressive, subtractive hybridization procedure was applied to dissected midguts of the budworm exposed to sub-lethal levels of the toxin. |
| Chemist Lorne Elias led an NRC team that was monitoring pesticide drift from the aerial spraying against the budworm. |
