THE MONTHLY BULLETIN. 



135 



Life History. — Practically the same as red scale, the chief difference 

 being in the feeding habits: the red scale usnally attacks the trunks, 

 small limbs, leaves and fruit, while the yellow scale attacks all but the 

 trunlcs and small limbs. Some county commissioners consider this 

 more serious than red scale on citrus trees. While this may be true 

 in some sections, yet as a general citrus pest it cannot be compared 

 with red scale, especially in the coast counties. 





Fig. lis. — Yellow or citrus scale, Chrysoniphalus citrinns (Coq.), 

 on orange leaf. (Original.) 



Distribution. — Throughout the entire citrus growing sections of the 

 State, and especially abundant in the interior vallej^s. 



Food Plants. — Citrus trees, Eiionymus, Aumiha and Ficu& sps. 



Control. — The same as for red scale. 



Natural Enemies. — The predaceous insects are the same as those 



