71 



Phylloxera vastatrix Planch. Grape Phylloxera. On 

 hickory. Columbus. 



ALEYRODIAE. 



Aleyrodes sp. Very abundant, autumn of 1898, on 

 Sycamore and other trees at Columbus. 



Aleyrodes sp. Ada, 8-12-'96. Complained of as doing 

 slight injury to strawberry (Webster.) 



COCCIDAE. 



Orthezia insignis Doug. Columbus in Greenhouse. 



Orthezia americana? Georgesville. (Fullmer,) 



Dactylopius citri Rossi. Mealy bug of greenhouse. 



Dactylopius adonidum L. Wooster, 3-l-'98. [C. W. 

 M.] On roots of plum and Carolina poplar in 

 insectary. Wooster, 3-16-'98. On clover roots 

 in incectary. [C. W. M.] Wooster, 1-19-1900. 

 At present feeding on following plants in 

 insectary, Canna, Barberry, Rose, Onion, 

 Tobacco, Poplar [W. N.J 



Lecanium hesperidum L. " Oleander scale." 



Lecanium oleae Bern. Columbus. 



Lecanium celtidis. Sandusky. 



Lecanium nigrofasciatum Pergande, Cleveland. O. 

 12-24-'99. [F. M. W.] Thick on Norway 

 maple. 



Lecanium coffeae Walk. [Is the same as hemispherium.J 

 Wooster, [W. N.] 1-1-1900. On Pteris sp. in 

 greenhouse. Wooster, 9-7-'97. [F. M. W.J On 

 chrysanthemum in insectary. Ashland, O. 

 3-10-'97. 



Lecanium persicae Syracuse, 4-24-'96. Dresden 12-21- 

 '96. (Webster.) 



Lecanium armenicum Craw. Painesville, 2-5-'97. On 

 Spanish chestnut. (Webster.) 



Pulviiiaria acericola W. & R. Columbus. 



Mytilaspis pornorum Bouche. Portage. East Cleve- 

 land. Very abundant on poplars, 7-29-'96. 

 (C. W. M.) 



