THE MONTHLY BULLETIN. 95 



page of this Bulletin). He considers that the ants, and particularly the 

 introduced Argentine ant, are responsible for the abundance of the 

 mealybugs for the reason that they keep off the natural enemies. By 

 banding the trees with tanglefoot he lias been able to keep the ants from 

 the trees and this gives the natural enemies a chance to get in their 

 work. Mr. Woglum has. during the past year, given some remark- 

 able demonstrations of the efficacy of his method of control in the 

 oichard. lie recommends that the Inseetary be asked to supply the 

 requisite natural enemies for the work and this we are preparing to do 

 on a large scale by establishing a branch of the State Inseetary at 

 Alhambra. [f natural control can be made effective against the citro- 

 I »ln I us mealybug, as Mr. Woglum has demonstrated it to be against 

 Pseudococcus citri, it will go far toward solving the vexing problem 

 which is confronting the citrus growers of Riverside and San Bernardino 

 counties at the present time. 



There has been considerable discussion as to where the branch of the 

 State Inseetary had best be located, and after considering the matter 

 from every standpoint we have decided that the best results will be 

 accomplished by locating at Alhambra, for the following reasons: 



It would not be safe to locate in any section where the citrus mealy- 

 bug does not occur, since we must work with all species and it would 

 be unwise to take any species into a clean section, even for laboratory 

 work. This would preclude the location in Riverside or San Bernar- 

 dino counties. 



By locating at Alhambra we would have a sufficient supply of the 

 citrus mealybug to draw on for food for the parasites and predators. 



Since we must help not only San Bernardino and Riverside counties, 

 but also Los Angeles, Orange, Ventura, Santa Barbara and San Diego 

 as well. Alhambra will be much more convenient from the stand- 

 point of transportation. 



We can rear larger quantities of beneficial insects and thus be of more 

 actual benefit to such outlying infested districts as Upland and River- 

 Mile, at Alhambra than we could at any other location on account of 

 the great abundance of mealybugs for food. 



I believe that this is one of the greatest opportunities we have ever 

 had of serving the citrus industry of the south, and the Superintendent 

 of the Inseetary will be sent there to spend the spring months in the 

 thorough organization of the work. At the same time we are asking the 

 legislature for an appropriation for the purpose of supplying other 

 natural enemies of citrus insects from foreign countries. 



G. H. H. 



