28 



OHIO STATE ACADEMY OF SCIENCE. 



Mrs. M. E. Fernald's catalogue of the Coccidae of the World 

 has been followed with reference to nomenclature, and all the 

 exotic species are italicized in the text. 



The author wishes to thank Prof. Herbert Osborn for his 

 many valuable suggestions during the study of the Coccidae, and 

 the preparation of this paper. Also the author is under great 

 obligations to Prof. T. D. A. Cockerell, Prof. R. A. Cooley and 

 Mr. Geo. B. King for suggestions and verifications of species ; and 

 to Dr. E. P. Felt for specimens and literature. 



LIST OF THE COCCIDAE REPORTED IN OHIO 



(Including greenhouse species, indicated by an asterisk.) 



ORTHEZIINAE 

 *Orthezia insignis Dougl. 



Orthezia solidaginis Sanders. 

 DACTYLOPIINAE 



Asterolecanium variolosum (Ratz.) 



Kermes andrei King. 



Kermes arizonensis King. 



Kermes galliformis Riley. 



Kermes kingii Ckll. 



Kermes pettiti Ehrh. 



Kermes pubescens Bogue. 



Kermes trinotatus Bogue. 



Gossyparia spuria (Modeer). 



Eriococcus azaleae Comst. 



Phenacoccus acericola (King). 



Phenacoccus osborni Sanders. 

 *Pseudococcus citri (Risso). * 



*Pseudococcus longispinus (Targ.) 

 *Pseudococcus pseudonipae (Ckll.) 



Pseudococcus trifolii (Forbes). 

 COCCINAE. 



Pulvinaria acericola (Walsh & 

 Riley). 



Pulvinaria innumerabilis (Rath- 

 von). 

 *Coccus hesperidum (Linn.) 



Eulecanium armeniacum (Craw). 



Eulecanium canadense (Ckll.) 



Eulecanium caryae (Fitch). 



Eulecanium cockerelli (Hunter). 



Eulecanium fitchii (Sign.) 



Eulecanium fletcheri (Ckll.) 



Eulecanium magnoliarum (Ckll.) 



Eulecanium nigrofasciatum (Perg.) 



Eulecanium persicae (Fab.) 



Eulecanium prunastri (Fonsc.) 



Eulecanium quercifex (Fitch). 



Eulecanium quercitronis (Fitch). 



Eulecanium tulipiferae (Cook). 



Eulecanium websteri (King). 

 *Saissetia depressa (Targ.) 

 *Saissetia hemisphaerica (Targ.) 

 *Saissetia oleae (Bern.) 

 DIASPINAE. 



Chionaspis americana Johns. 



Chionaspis caryae Cooley. 



Chionaspis corni Cooley. 



Chionaspis euonymi Comst. 



Chionaspis furfura (Pitch). 



Chionaspis gleditsiae Sanders. 



Chionaspis longiloba Cooley. 



Chionaspis ortholobis Comst. 



Chionaspis pinifoliaa (Pitch). 



Chionaspis salicis-nigrae (Walsh). 



Chionaspis sylvatica Sanders. 

 *Howardia biclavis (Comst.) 

 *Diaspis boisduvalii Sign. 

 ^Diaspis bromeliae (Kern.) 



