Using Black Light to Find Jack-Pine Budworm Egg Masses

Daniel T. Jennings

Treesearch

Using Black Light to Find Jack-Pine Budworm Egg Masses

Informally Refereed

Authors:

Daniel T. Jennings

Year:

1968

Type:

Research Note

Station:

Northern Research Station

Source:

Research Note NC-56. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station

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Download (PDF 717 KB): https://research.fs.usda.gov/download/treesearch/11110.pdf

Abstract

Jack pine foliage infested with jack-pine budworm egg masses was examined under two kinds of light -- black light and a combination of natural and fluorescent light. Black light significantly increased the accuracy of count but not the efficiency of examination.

Keywords

black light, budworm, jack-pine

Citation

Jennings, Daniel T. 1968. Using Black Light to Find Jack-Pine Budworm Egg Masses. Research Note NC-56. St. Paul, MN: U.S. Dept. of Agriculture, Forest Service, North Central Forest Experiment Station