NOTES ON COCCIDtE VI 



BY E. O. ESSIG 



Eulecanium pruinosum Coquillett 

 (Frosted Scale) 

 Adult Female (See Fig. 142). The scale body varies in color from a pale 

 to a dark reddish-brown. It is often covered with a fine coating of white, 

 powdery wax, which gives it a grayish appearance. This wax does not 

 always appear on the scale, and wherever it does appear it is worn off with 

 age. 



Figure 142. Eulecanium pruinosum. 



The scale proper is slightly longer than broad, very convex, witii irregu- 

 lar surface. Length, 7 mm., width, 5 mm. 



The antenna is large at the base, 7-articled, with formula as follows : 

 (3, 4, 7) (1, 2), 5, 6. The apical article is provided with a style at one 

 side of the marginal-tip. 



Concerning the resemblance of this species to the European fruit scale, 

 Lecanium corni (Bouche), J. G. Sanders, of the Bureau of Entomology, 

 Washington, D. C, writes : 



"Its (frosted scale) general appearance is like a very large L. corni, 

 very convex, dark reddish brown, variously pitted and grooved; the 7-jointed 



