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Insect 
Autographs, bragsicae 
Riley 
Byturus tomentosu a F. , 
raspberry and loganberry 
beetle 
Cabbage worms 
Carp o cap s a pom one 11a L. , 
codling moth 
Ohlorochroa sayi Stal 
Diabrotica v ittata F. , 
striped cucumber beetle 
Dysdercu s m imulus Kussey 
Epilachna varivestis Muls. , 
Mexican bean beetle 
Epitrix parvula F. , 
tobacco flea beetle 
Euproctis chrysorrhoea L. 
( = j!Tygm ia phaeorrhoea 
Donov.), caterpillars 
Comparative Action 
DustB: 
derris "> cube 
derris > cube 
Sprays: 
derris -, cube 
Dusts or sprays: 
derris = cube 
derris = cube 
Dusts: 
derris = cube 
Sprays: 
derris >> cube 
Kaolin mixtures: 
little effectiveness 
Dusts: 
derris > cube 
derris = cube 
cube > derris 
derris •> cube 
Sprays: 
derris - cube 
Dusts and sprays: 
derris "> cube 
derris == cube 
Dusts: 
cube =z derris 
derris ~> cube 
Reference 
Campbell 
Walker and Anderson 
Steer 
Howard 
Howard and Davidson 
Huckett and Hervey 
Huckett and Hervey 
Haegele 
Cassidy and Barber 
Beard 
Cassidy and Barber 
Howard 
Howard 
N. Y. Agr. Sxpt. Sta. 
S. C. Agr. Expt. Sta. 
Chamberlin 
Spoon et al. 
