Life Sciences Commons^™

Emergence And Overwintering Brood Of Douglas-Fir Beetle Seven Years After The Clover Mist Fire On The Clarks Fork Ranger District, Shoshone National Forest, Wyoming, Judith E. Pasek

Judith E Pasek

Emergence patterns and population levels of Douglas-fir beetles (DFB), Dendroctonus pseudotsugae Hopkins, in the seventh year of infestation following the Clover Mist Fire were evaluated on the Clarks Fork Ranger District of the Shoshone National Forest. Adult emergence in 1995 returned to a single peak beginning in mid-June, about a week later than normal likely due to cold, wet spring weather. Adults of both the '93-'94 and '94-'95 generations emerged, demonstrating for the second year in a row that DFB can extend its life cycle up to two years. Almost half of the total emergence of the '93-'94 generation was …

Nf96-307 Managing The Russian Wheat Aphid With Resistant Wheat Varieties, John Thomas, Gary Hein, David D. Baltensperger, Lenis Alton Nelson, Scott Haley

University of Nebraska-Lincoln Extension: Historical Materials

This NebFact has information on using resistant wheat varieties to control Russian wheat aphids.

Ec96-1555 Insect Pest Management Strategies For Yards And Gardens, Frederick P. Baxendale, Robert J. Wright

University of Nebraska-Lincoln Extension: Historical Materials

A growing awareness of problems associated with overusing pesticides has prompted many home gardeners and landscape managers to seek alternative methods of insect control. Integrated pest management (IPM) uses suitable methods in a compatible manner to maintain pest densities below levels of unacceptable injury.

IPM principles can be applied to all pest groups (insects, mites, weeds, plant diseases and vertebrates), and urban as well as agricultural settings. This publication will discuss how integrated pest management can be applied to insect and mite management in yards and gardens.

G96-1300 Insects That Feed On Corn Ears, David L. Keith, J. F. Witkowski

University of Nebraska-Lincoln Extension: Historical Materials

How to identify mature and immature insects that infest and damage ears of corn.

Several kinds of insects infest the developing ears of corn, raising farmers' concerns and sometimes causing economic damage. Some of these insects can reduce both yield and quality of seed corn, pop corn, sweet corn and field corn. Control decisions depend in part on the economics of the corn crop produced. In many cases, particularly in field corn where the value of the crop per acre is somewhat lower, the insects may not be sufficiently damaging to require control. The higher value of seed corn compared …

G96-1302 Managing Varroa In The Midwest, Marion D. Ellis, Frederick P. Baxendale

University of Nebraska-Lincoln Extension: Historical Materials

There are important regional differences in varroa population dynamics and control. This NebGuide offers recommendations on varroa management for beekeepers in the Midwest.

Varroa management has become an essential aspect of successful beekeeping since the mite was first discovered in the United States in 1987. Unlike most parasites which coexist with their host, varroa eventually destroy honey bee colonies of European descent. A good understanding of this important bee parasite is essential for successful beekeeping.