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G73-30 The Alfalfa Weevil (Revised May 1989), Stephen D. Danielson, David L. Keith, George Manglitz
G73-30 The Alfalfa Weevil (Revised May 1989), Stephen D. Danielson, David L. Keith, George Manglitz
University of Nebraska-Lincoln Extension: Historical Materials
The alfalfa weevil is the primary insect pest of alfalfa in Nebraska. Management is essential during years when weevil infestations are high.
Damage from the alfalfa weevil can be severe. The life cycle of this pest and methods of managing it are discussed in this publication.
G73-12 Iris Borer Control, David L. Keith, Frederick P. Baxendale
G73-12 Iris Borer Control, David L. Keith, Frederick P. Baxendale
University of Nebraska-Lincoln Extension: Historical Materials
Scouting, prevention and control of the iris borer.
This insect is the most serious insect pest of iris in Nebraska and is found virtually everywhere in the state. Damage is characterized by dark, streaked, or watery areas and ragged edges on the developing leaves of iris in May and June and extensive destruction of the insides of the rhizomes in July and early August. Examination late in summer will reveal a large white to pinkish caterpillar from 1 1/2 to 2 inches long in the rhizome, usually accompanied by a foul-smelling soft rot.
G73-12 Iris Borer Control (Revised June 1994), David L. Keith, Frederick P. Baxendale
G73-12 Iris Borer Control (Revised June 1994), David L. Keith, Frederick P. Baxendale
University of Nebraska-Lincoln Extension: Historical Materials
This NebGuide discusses the scouting, prevention and control of the iris borer. This insect is the most serious insect pest of iris in Nebraska and is found virtually everywhere in the state. Damage is characterized by dark, streaked, or watery areas and ragged edges on the developing leaves of iris in May and June and extensive destruction of the insides of the rhizomes in July and early August.