301 
1908. * Comperiella bifasciata How. Japan. Diaspine scales. 
1915. Leptomastidea abnormis (Gir.). Sicily via California. 
Pseudococcus kraunhiae. 
1922. Pseudaphycus utilis Timb. Mexico. Pseudococcus nipae. 
1922. Coelaspidia osborni Timb. Mexico. Pseudococcus cal- 
ceolariae. 
It is probable that many of the other parasites established in 
the Hawaiian Islands on introduced Coccids are some of those 
that were purposely introduced, but on account of their identity 
not being known at the time of introduction definite records are 
lacking. ; ; 
Lapy BEETLES PREYING ON PLANT LICE. 
1893. ° Coccinella californica Mann. California. (Disappeared 
after 1896. ) 
1894. Coelophora inaequalis (Fab.). Australia, Ceylon, China. 
1894. Platyomus lividigaster Muls. Australia. 
1894. Diomus notescens (Blkb.). Australia. 
1895. Coelophora pupillata (Schon.). Hongkong. 
Before 1894. ® Callineda conformis (Boisd.). Australia. (Dis- 
appeared after 1900.) 
1895. Synonyche grandis Thun. China, Japan. (Disappeared 
after 1896.) 
1895. Verania discolor Fab. Hongkong. (Disappeared after 
1896. ) 
1895. Coelophora biplagiata Swartz. Hongkong. (Disappeared 
after 18906. ) 
Scymnus, several undetermined species introduced ; details 
of introduction not known. 
OTHER ENEMIES OF PLANT LICE. 
Syrphid flies and Chrysopa flies were reported established by 
Koebele in 1897. It is not known which species, nor where 
from, nor when introduced. 
1904. Chrysopa sp. Australia. 
1907. Trioxys sp. ? California. Parasite on orange Aphis. 
1919. Micromus vinaceus Gerst. Queensland. 
4 Doubtfully established. 
5 Again introduced in 1905, but failed. 
6 Again introduced in 1904, but failed. 
