X CONTENTS 



Homoptera: Coccidae — Continued Page 



Diplacaspis Jacobson 1 50 



Diplacaspis echinocacti (Bouch6) 150 



Acarina: Tetranychidae 151 



Tetranychus Dufour 151 



Tetranychus opuntiae Banks 151 



Acarina: Eriophyidae 152 



Eriophyes Von Siebold, sp 152 



Scavengers 152 



Bibliography 155 



