5Feng M G,Johnson J B,Kish L P.survey of entomopathogenic fungi naturally infecting cereal aphids (Homoptera:Aphididae) of irrigated grain crops in southwestern Idaho. Environmental Entomology . 1990
6Preisler H K,Robertson J L.Analysis of time-dose-mortality data. Journal of Economic Entomology . 1989
7Feng M G,Johnson J B,Kish L P.Virulence of Verticillium lecanii and an aphid-derived isolate of Beauveria bassina (Fungi: Hyphomycetes) for six species of cereal-infesting aphids (Homoptera: Aphididae). Environmental Entomology . 1990
8Feng M G,Johnson J B.Relative virulence of six isolates of Beauveria bassiana on Diuraphis noxia (Homoptera: Aphi-didae). Environmental Entomology . 1990
9Robertson J L,Preisler H K.Pesticide bioassays with arthropods. . 1992
10Dorchner K W,Feng M G,Baird C R.Virulence of an aphid-derived isolate of Beauveria bassiana (Fungi: Hy-phomycetes) to the aphid, Phorodon humuli (Homoptera: Aphididae). Environmental Entomology . 1991