MAINE APHIDS OF THE ROSE EAMIEY. 255 



CRATAEGUS. 



Prociphilus corrugatans Sirrine. Woolly Aphid of Haw- 

 thorn Leaf. 



This species, just recorded for Amelanchier is also common 

 on Crataegus leaves in the spring. Maine collection numbers' 

 50-04; 50-06; 67-12; 40-13. 



ScnizoNEURA EANIGERA. Woolly Aphid of the Apple. 

 This species is discussed for Maine in Bulletin 217 of the 

 Maine Agricultural Experiment Station. The Maine collec- 

 tions from English Hawthorn are Crataegus oxyacantha 

 ( 1 12-12, 176-12) and native Crataegus. (114-06, 67-11, 

 184-12). 



Macrosiphum crataegi Monell. 

 (Figure 91, I. Figure 95, J.) 



This elegant species is not uncommon in the vicinity of Orono 

 on the petioles and ventral surface of leaves and on tender new 

 growth shoots of Crataegus. 



Alate female. My notes for No. 96-06 record this form as 

 follows : Head yellow with black eyes and conspicuous black 

 ocelli, antenna dark except basal joints, HI with numerous 

 sensoria, IV with few or none; prothorax and thorax yellow, 

 legs with yellow femora and dark tibiae and tarsi, wings with 

 rather heavy dark brown veins ; abdomen yellow with four 

 vivid green spots in a quadrangle, cornicles cylindrical and 

 dark, cauda light yellow. 



The nymphs and apterous viviparous form are also bright 

 yellow with four vivid green spots on abdomen placed as with 

 the winged females. The antenna of the apterous female ha.«? 

 ni with few sensoria or none. 



Maine collection numbers 96-06; 30-11; 31-11; 50-11; 58-11; 



144-13- 



In a letter dated June 28, 1910, Mr. J. T. Monell sent me 

 some notes on this species which might well be quoted here. 

 He wrote as follows : 



'T have never taken any specimens except the apterous ones 

 of the type slide 72° July 4, 1878. The antenna of the largest 



