THE MONTHLY BULLETIN 



Adult of Exochomus 4-pustulatus (L. ). This lady- 

 bird beetle feeds upon various scale insects, particularly 

 the destructive black scale of citrus and olive trees. It 

 has been recently imported from Italy by the Insectary 

 Division of the State Commission of Horticulture, and a 

 good colony was liberated in the Falroaks section of 

 Sacramento County. (Alter Silvestri, Dispense di Ento- 

 mologia Agraria. ) 



Z < .- 



'JL. «Z, ^'« 



c o 



OF 



STATE COMMISSION OF HORTICULTURE 



SACRAMENTO, CALIFORNIA 



NOVEMBER, 1915 



