64 CALIFORNIA ACADEMY OF SCIENCES. [Proc. 3D Ser. 



This species was found by the author on a chestnut-tree, 

 in Hikosan, Kiushiu, and is named in honor of N. Taka- 

 chiho. 



This scale is allied to Lecanium ^ruinosum, but is not 

 covered with white powder. 



Type in the Entomological Collection of Leland Stanford 

 Jr. University, and co-types in the author's collection. 



30. Lecanium rotundum (?) Reaumur. 



Lecanium rotundum (?) Reaumur. Signoret, Essai, 1873, p. 428. 



Two specimens were found by the author on the prune- 

 tree, in Shinjiku, Tokyo. 



31. Lecanium (Calymnalus) hesperidum L. 



Lecanium (Calymnalus) hesperidutn L. Comstock, Ent. Rept. U. S. 

 Dept. Agric, 1880, p. 335. 



This species is a common green-house pest in Japan. 

 The author found it on Ahutilon sp., Nerium odorum 

 (Kyochikuto), Jasminum sp., Cycas revoluta (Sotetsu), and 

 Eriohotrya ja^onica (Biwa), in the green-house of the 

 Agricultural College, Sapporo, Hokkaido, and on Cercis 

 chinensis (Hana-zuo), in the grounds of the Nishigahara 

 Agricultural Experiment Station, Tokyo. The scales are 

 commonly infested by parasitic hymenoptera. This is the 

 first time it has been recorded from Japan. 



32. Lecanium (Saissetia) oleae Bernard. 



Lecanium ( Saissetia) olece Bernard. Comstock, Ent. Rept., U. S. Dept. 

 Agric, 1880, p. 236; Bull. No. 4, T. S., Div. Ent., U. S. Dept. Agric, 

 1896, p. 40. 



This species was found by the author on a lime-tree, in 

 Kawasaki, near Tokyo. It is not at all common in Japan, 

 in fact, it was not found in any other part of the Empire. 

 A. Craw, in quarantine work, found it on deciduous mag- 

 nolia from Japan some years ago. 



