vol.16; issue 4
Contents

Takuj Noma and Karen Strickler - Factors Affecting Beauveria bassianafor Control of Lygus Bug (Hemiptera: Miridae) in Alfalfa Seed Fields ...................................................................................... 215

S. D. Kindler and D. B. Hays - Susceptibility of Cool-Season Grasses to Greenbug Biotypes .................................................................................................... 235

Mustapha El Bouhssini, J. H. Hatchett, and G. E. Wilde - Hessian Fly (Diptera: Cecidomyiidae) Larval Survival as Affected by Wheat Resistance Alleles, Temperature, and Larval Density ................................. 245

Denny J. Bruck and Leslie C. Lewis - Ostrinia nubilalis (Lepidoptera: Pyralidae) larval parasitism and infection with entomopathogens in cornfields with different border vegetation ...................................................................255

Blair D. Siegfried, Terrence Spencer, and Paula C. R. G. Marcon - Susceptibility of European Corn Borer, Ostrinia nubilalis(Hubner) (Lepidoptera: Pyralidae) Neonate Larvae to Fipronil ......................................................................................................................................273

P. J. McLeod and D. C. Steinkraus - Influence of Irrigation and Fungicide Sprays on Prevalence ofErynia neoaphidis (Entomophthorales: Entomophthoraceae)Infections of Green Peach Aphid (Homoptera: Aphididae) on Spinach ....................... 279

Author Index ...................................................................................................285

Subject Index ...................................................................................................286

Notice to contributors ...................................................................................................287

Don't perish .................................................................................................................. 288

Membership application .......................................................................................................... 289

Attention ........................................................................................................ 290

mailed March 2000