INHECTH INFESTTXa ORASaK TREES, ETC 



165 



rnalo of L. hesperidum (be what it may, it come from under the 

 L. hesperidum scale), and fortunately I preserved the mount- 

 ing. 



Fig. 140. — .Soft Orange .Scale — color, brown. 



Re.m KDIEH. — No. 4 or 9, one gallon of water added to each 

 gallon of the mixture; Xo. 5 or 7, four pounds of mixture to 

 each five gallons of water. Ajiply all the above at a tempera- 

 ture of one hundred and thirty degrees Fahrenheit, (Spray.) 



(\].\]'TVA[ X(\\. 

 The Cottony Cushion Scale. (Cal.) 

 (Icerya purcha'ii. — Maskell. j 

 Order. HKAfii'TERA : f 



Sub-order, Homoptera ; \ 



Familv. docciDA-:. 



[A white cushion-like scale insect, feeding upon citru.s trees, 

 deciduous fruit trees, forest trees, and on some varieties of 

 vegetables.] 



Fig. 141. 



Fig. 141. — Por- Fig. 142. 

 tion of a branch in- 

 fested by Cottony 

 Cushion Scales. 



Fig. 142. — Cot- 

 ton y C u s tj i o n 

 ^ Scales, natural 

 size-colors, orange, 

 red, whitish and 

 pale yellowish. 



This species of scale insect 

 (Figs. 141 and 142) I consider 

 the most dangerous of any that 

 infests fruit and other trees in 

 California, as it may be said to 

 be a general feeder ; it is found 

 on all varieties of citrus trees, deciduous fruit trees, on many 

 varieties of ornamental trees, forest trees and shrubs ; also on 



