How to monitor knapweed biological control root feeding insects
Subtitle: Agapeta zoegana and Cyphocleomus achates
By: [Sandra J. Kegley, Nancy J. Sturdevant]
Contributors: Sturdevant, Nancy J.; United States. Forest Service. Northern Region
Publisher: U.S. Dept. of Agriculture, Forest Service, Northern Region
Published: 2000
Place of publication: Coeur d'Alene, ID; Missoula, MT
Language: eng
Subjects: Knapweeds; Biological control; Biological pest control agents; Beneficial insects
Notes: Cover title.