394 Illinois State Laboratory of Natural History. 



EXPLA.NATION OF PLA.TES.* 



Plate XXIX. 



Fig. 1. Aspidiotus forhesi n. s. : «, infested cherry 

 twig; 5, scale of female; c, scale of male. 



Fig. 2. Adult male of same. 



Fig. 3. Adult female of same, showing eggs within 

 body. 



Fig. 4. Last segment of adult female. 



Fig. 5. Young larva of same species. 



Plate XXX. 



Fig. 1. Aspidiotus comstocki n. s. : a, infested maple 

 leaf; h, scale of male; <?, scale of female. 



Fig. 2. a, adult male of same; 5, antenna; c, poiser; 

 d, tarsus. 



Plate XXXI. 



Fig. 1. Adult female of Aspidiotus comstocJci. 

 Fig. 2. Last segment of same. 



Fig. 3. Aspidiotus OBSculi n. s.: a, infested buckeye 

 twig; h, scale of male; c, scale of female. 



Plate XXXII. 

 Fig. 1. Adult male of Aspidiotus cescuU. 

 Fig. 2. Adult female of same. 

 Fig. 3. Last segment of female. 

 Fig. 4. Aspidiotus ulmi n. s., adult female. 

 Fig. 5. Last segment of same. 



*A11 the drawings for this paper were made, under the author's direction, by Miss 

 Lvdia M. Hart, Artist ol the Laboratory. 



