COCCIDAE OF OHIO. 79 



Plate IV. (Original) 



Chionaspis corni Cooley. 

 Chionaspis corni Cooley. 

 Chionaspis euonymi Comst. 

 Chionaspis caryae Cooley. 

 Chionaspis furfiira (Fitch). 

 Chionaspis americana Johns. 



Plate V. (Original) 



Chionaspis salicis-nigrae (Walsh). 

 Chionaspis salicis-nigrae (Walsh). 

 Chionaspis pinifoliae (Fitch). 

 Chionaspis pinifoliae (Fitch). 

 Chionaspis gleditsiae Sanders. 

 Chionaspis gleditsiae Sanders. 

 Hemichionaspis aspidistrae (Sign.) 

 Howardia biclavis (Comst.) 



Plate VI. (Original) 



Fig. 40. Lepidosaphes ulmi (Linn.) 



Fig. 41. Lepidosaphes beckii (Newm.) 



Fig. 42. Diaspis boisduvalii Sign. 



Fig. 43. Diaspis echinocacti cacti Comst. 



Fig. 44. Aulacaspis rosae (Bouche'). 



Fig. 45. Aulacaspis rosae (Bonche'). 



Plate VII. (Original) 

 (Upper half.) 



Pseudococcus citri (Risso)., adult female. 



Pseudococcus citri (Risso)., anal ring and penultimate seg- 

 ment. 



Pseudococcus citri (Risso)., antennae of adult female. 



Pseudococcus longispinus (Targ.), adult female. 



Pseudococcus longispinus (Targ.), antennae of adult female. 



Pseudococcus longispinus (Targ.), anal ring and penultimate 

 segment. 



Pseudococcus trifolii (Forbes), anterior leg of adult female. 



Pseudococcus trifolii (Forbes), anal ring and penultimate 

 segment. 



Pseudococcus trifolii (Forbes), antenna of adult female. 



Kermes pubescens Bogue. 



Orthezia insignis Dougl. 



