PRUNE PESTS 



1743 



Fig. 1. Brown Day Moth in Its Various Stages. 



parasites attached to the bodies. The Remedies 



eggs are also destroyed in large numbers LUne-sulphur is not very efficient 



by small parasites. E. O. Essig against this insect, and should the insect 



Citrus Red Spider. See Apple Pests ^^^^^^ ^ gerious pest it will be necessary 



under Red Spider. ^^^ ^^ ^^ adopt what is known as the 



Clover Mite. See Glover Pests. Distillate-oil Emulsion Spray, which is 



Common Cutworm. See GahDage Pests. ^^^^ ^^ follows: \ 



European Fruit Lecanium jjq^ ^a^^g^. _ 12 gals. 



Lecanium corni Bouche Fish Oil Soap 30 lbs. 



,T T^ TTT Distillate oil (28° Baume) 20 gals. 



H. F. Wilson 



In Oregon we have found this pest on The fish oil soap is made as follows: 



prune only, and how bad a pest it may get water 6 gals. 



to be is hard to say. It also attacks Lye ?i/ Lot« 



Pish oil 1 72 gals. 



peaches and apricots as well as a large 



number of non-fruit trees. In California The soap ingredients should be boiled 



it is known as the brown apricot scale, for about two hours and produce about 40 



because it seriously attacks apricot trees. pounds of soap. Use this at the rate of 



The adult females are brownish in color six per cent distillate emulsion by taking 



with a few black markings, convex in hV2 gallons of the concentrated emulsion 



shape and oftentimes covered with a and 44 V2 gallons of water. Add one 



white powdery secretion. They measure pound of caustic soda to soften the water. 



about one-eighth inch in length, are In mixing the original solution it should 



slightly less than that in width and are be driven through a force pump and back 



raised about one-sixty-fourth of an inch. into the containing vessel in the same 



(See Fig. 1.) manner as kerosene emulsion is mixed. 



