Life Sciences Commons^™

Verbenone Bubble Caps Ineffective As A Preventive Strategy Against Mountain Pine Beetle Attacks In Ponderosa Pine, C. K. Lister, J. M. Schmid, S. A. Mata, D. Haneman, C. O'Neil, J. E. Pasek, L. Sower

Judith E Pasek

Verbenone capsules were stapled to trees in mountain pine beetle-infested stands of ponderosa pine at densities of 10, 20, 40, and 68 capsules per acre. Mean numbers of infested trees were not significantly different among treatments. Either the verbenone is not effective in repelling attacks or the formulation in the capsules needs to be modified to enhance its effectiveness. Verbenone capsules were not effective enough to be used in a preventive strategy.

G90-974 The Beaf Leaf Beetle In Soybeans (Revised September 1994), Thomas E. Hunt, J. F. Witkowski, Robert J. Wright, Keith J. Jarvi

University of Nebraska-Lincoln Extension: Historical Materials

The identification and life cycle of the bean leaf beetle are discussed along with scouting techniques, economic thresholds, and cultural control tactics.

The bean leaf beetle is a common insect found in Nebraska soybean fields. The insect also feeds on peas, snap beans, and dry beans. Although present in alfalfa and sweet clover in the early spring before soybean emerges, the insect is not known to damage either legume.

Use integrated pest management (IPM) when planning how to reduce bean leaf beetle damage. Integrated pest management is a sustainable approach to managing pests by combining biological, cultural, physical, and chemical …

Insect And Allied Pests Of Extensive Farming, W Woods, P Michael, M Grimm

Bulletins 4000 -

Produced in conjunction with the Plant Protection Society of WA. The Society is an organisation of farmers, scientists, commercial representatives and others interested in all aspects of plant protection. It provides essential liaison between farmers, industry & Government. It aims to inform members, Government, Industry and the public on: plant pest management and control, including weeds, insects, diseases and vertebrate and invertebrate pests, stored plant products protection, the importance of plant protection, pesticides and the environment, safe handling of pesticides; and pesticide application methods and technology.

Douglas-Fir Beetle Infestation Following The Clover Mist Fire On The Clarks Fork Ranger District, Shoshone National Forest, Wyoming, Judith Pasek

Judith E Pasek

In 1989, Douglas-fir beetle (DFB), Dendroctonus pseudotsugae Hopkins, was detected on the Clarks Fork Ranger District in large-diameter Douglas-fir, Pseudotsuga menziesii (Mirb.) Franco, trees blackened by the 1988 Clover Mist Fire. At Cathedral Cliffs and Squaw Creek, respectively, 22% and 32% of charred Douglas-firs greater than 10 in. DBH were infested; approximately 9 and 16 Douglas-fir trees per acre were infested, respectively. Although half the bark samples (6 in. by 6 in.) from infested trees contained no DFB brood, average brood production was high -- 9 and 7 callow adults per sample, respectively, at Cathedral Cliffs and Squaw Creek. Approximately …