98 



THE MONTHLY BULLETIN. 



Distribution. — Throughout tlie State in greenhouses and in the open 

 in the southern part. 



Food Plants. — Norfolk Island pine (Aravcaria excelsa), the Mon- 

 key I'uzzler {Araucaria hidwiUii), Damrnara ovata and D. vitiensis 

 are attacked. 



Control. — Same as for the citrus mealy bug. 



THE WALNUT MEALY BUG. 



Pseudococcus bakeri Essig. 

 (Pig. 77.) 



General Appearance. — Slightly larger than the citrus and long- 

 tailed species. Does not secrete as much cottony covering and has 

 tails half as long as the body. 



Life History. — Eggs are deposited in loose masses similar to those 



Fig. 77. — Walnut mealy bug (Pseudococcus 

 bakeri Essig) under bark of the English walnut. 

 (Essig, P. C. Jr. Ent.) 



of the citrus mealy bug. Does not multiply nearly as rapidly as 

 the other species. 



Distribution. — So far it has been found only in Ventura County at 

 Santa Paula and Oxnard. 



