caged weevils in treated areas at ½ and ¼ pounds per acre of active ingredient. A larger scale test utilizing ¼-acre plots was conducted this fall (1957), using Aldrin and Heptachlor at these two rates.
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Literature Cited
| (1) | Barnes, T. C. 1928. A biological study with special reference to flight, oviposition, phenology geotropism, parasites and injuries to young trees. Unpublished thesis, Widener Library, Harvard University, Cambridge, Mass.
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| (2) | Crosby, D. 1954. How to control the white-pine weevil with a hand sprayer. U. S. Forest Serv. Northeast. Forest Expt. Sta., Forest Res. Note 30. 3 pp.
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| (3) | Godwin, P. A. and J. L. Bean. 1956. Predicting emergence of the white-pine weevil from hibernation. Forest Sci. 1: 187-189.
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| (4) | Godwin, P. A., H. A. Jaynes, and J. M. Davis. 1957. The dispersion of radioactively tagged white-pine weevils in small plantations. Jour. Econ. Ent. 50 (3): 246-266.
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| (5) | Hastings, A. R. 1956. Granulated endrin for white-pine weevil control during hibernation. Jour. Econ. Ent. 49 (6): 878.
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| (6) | Waters, W. E., T. McIntyre, and D. Crosby. 1955. Loss in volume of white pine in New Hampshire caused by the white-pine weevil. Jour. Forestry 53: 271-274.
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Agriculture-Forest Service-Upper Darby
