52 ENTOMOLOGICAL NEWS. [February, 



Host plants of Aleurodes pergaudei Quaint. 

 The present paper will be devoted to the host plants of one — 

 the prettiest of these little insects : A leurodes pergandei Qnamt, 

 The pupal form alone will be considered. 



The plants will be considered in the systematic botanic order 

 of Gray. 



RUTACEiE. 



NORTHERN PRICKLY ASH. 



Xanthoxylam americannm. 



Specimens found on under side of leaves, August 23, 1900, 

 about one-half mile east of Urbane and noticed quite often 

 north and east of Urbana until the last of September, when 

 the writer went to Pekin for a month. They were always 

 scarce, never more than three upon one leaf. 



ROSACEiE. 



CULTIVATED PLUM. 



Pnmas sp.* 



One specimen was found in Champaign, 111., as early as 

 August 13, 1900, and on September 12, 1900, several speci- 

 mens were taken from two trees at the University grounds. 

 They were not abundant. 



CULTIVATED DWARF PLUMS. 



Pranns sp. 



Few collected September 12, 1900, from plant at the Experi- 

 ment Station ground in Urbana. 



FLOWERING ALMOND. 



Pranns (Amydalns) nana. 



On September 20, 1900, after a few minutes' careful search^ 

 a few specimens were found in Mt. Hope Cemetery — south of 

 Urbana. 



PEACH. 



Pmnns (Amyydalns) persica. 



From the ist of August until the last of September speci- 

 mens could be found upon nearly every peach tree about Cham- 

 paign and Urbana, but apparently only upon the lower and 

 more shaded leaves. They were scarce, never more than 

 twelve being found upon a single tree. 



* See p. 32 of Prof. A. L. Quaintance's paper for additional localities. 



