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21. Cultural and mechanical weed control : January 1991-April 1994 (id:7016914)

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22. Final technical report : assessing the potential for biological control of the gypsy moth and other pests in the urban forest (id:CAT10826077)

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23. IPM and biological control of plant pests : field crops : January 1991-July 1993 (id:7057178)

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24. Effects of weather on the biological control of alligatorweed in the Lower Mississippi Valley Region, 1973-83 (id:CAT92989413)

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25. Integrated pest management : biological control : natural enemies (id:7085319)

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26. IPM and biological control of weeds : January 1990-September 1992 (id:7057179)

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27. Principles of insect parasitism analyzed from new perspectives : practical implications for regulating insect populations by biological means (id:CAT92991411)

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28. Pine spittlebug : its ecology and management (id:CAT92966270)

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29. Management guidelines for increasing population of birds that feed on western spruce budworm (id:CAT87869661)

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30. Spruce budworms handbook : regional evaluation of B.t. for spruce budworm control (id:CAT87212360)

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31. Collecting, handling and releasing Rhinocyllus conicus, a biological control agent of musk thistle (id:CAT87208949)

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32. Insects and fungi associated with Carduus thistles (compositae) (id:CAT87201579)

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33. Diseases of the gypsy moth : how they help to regulate populations (id:CAT10310201)

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34. Economic feasibility of a biological control technology using a parasitic wasp, Pediobius foveolatus, to manage Mexican bean beetle on soybeans (id:CAT87202111)

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35. Probable evolution and morphological variation in South American Disonychine flea beetles (Coleoptera: Chrysomelidae) and their amaranthaceous hosts (id:CAT80727487)

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36. Selected parasites and hyperparasites of the gypsy moth, with keys to adults and immatures (id:CAT87208637)

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37. Introduced parasites and predators of arthropod pests and weeds : a world review (id:CAT87208759)

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38. Integrating control of the Japanese beetle : a historical review (id:CAT77682612)

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39. The gypsy moth and its natural enemies (id:CAT87210012)

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40. Biology and taxonomy of nematode parasites and associates of bark beetles in the United States (id:CAT87208756)