Prixciples of Forest Entomology

On the Study of Forest Entomology in America

FOREST ENTOMOLOGY Dispersal of Invasive Forest Insects via Recreational Firewood: A Quantitative Analysis

Recreational travel is a recognized vector for the spread of invasive species in North America. However, there has been little quantitative analysis of the risks posed by such travel and the associated transport of Þrewood. In this study, we analyzed the risk of forest insect spread with Þrewood and estimated related dispersal parameters for application in geographically explicit invasion model...

Entomology.

Entomology.

Program and Application Information Director: Dr. Frank Casey, School of Natural Resource Sciences Program Leader:: Dr. Jason Harmon Email: [email protected] Department Location: 202 Hultz Hall Department Phone: (701) 231-7582 Department Web Site: www.ndsu.edu/entomology/ Application Deadline: International applications are due May 1 for fall semester and August 1 for spring and summer seme...

FOREST ENTOMOLOGY Distribution and Abundance of Adelges tsugae (Hemiptera: Adelgidae) Within Hemlock Trees

We studied the distribution of hemlock woolly adelgid, Adelges tsugae Annand (Hemiptera: Adelgidae), within hemlock trees for three summer (progrediens) and two winter (sistens)generations innorthernGeorgia.Easternhemlock,Tsugacanadensis(L.)Carrière, treeswere treated with 0, 10, or 25% of 1.5 g of imidacloprid per 2.5 cm of tree diameter at breast height and fertilized or not in a factorial de...