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



was originally described by Cockerell from dry specimens 

 sent to the Division of Entomology, U. S. Department of 

 Agriculture, by O. Takahashi, Tokyo. In 1899 the author 

 found it on bamboo on the Stanford University campus, 

 and the male in different stages was described by him. 



Subfamily LECANIIN.E. 



Series I. 



Genus Pulvinaria Targ. 



19. Pulvinaria psidii Mask. 



Plate X, Fig. 42. 



Pulvinaria psidii Maskell, Ent. Mo. Mag., Vol. XXXIII, 1897, p. 243; 

 Trans. & Proc. New Zealand Inst., Vol. XXX, 1897, p. 242. 



This species was found by the author on Diosfyros kahi, 

 in Gifu-ken, on Tsuta in Hikosan, Kiushiu. A. Koebele 

 had also found it on Cih'us, Pittosforum and Eurya 

 japonica, in Japan. 



20. Pulvinaria aurantii Ckll. 



Plate X, Fig. 43. 



Pulvinaria aurantii Cockerell, Psyche, Supp., 1896, p. 19; Bull., No. 4, 

 T. S., Div. Ent., U. S. Dept. Agric, 1896, p. 48. 



Newly Hatched Larva. — Length .4 mm., width .21 mm.; suboval; abdom- 

 inal cleft distinct. Rostral loop long. Antennae and legs large, well devel- 

 oped. Antennae six-segmented; formula, (6, 3) i, 2, 4, 5. Three pairs of 

 legs subequal; tibia and tarsus about equal in length. Margin of body with 

 fine simple hairs. Anal plates conspicuous, each with a very long hair. 



This species is one of the worst pests in the orange 

 orchards. It occurs in almost every part of the Empire. 

 The author collected it in the following places : on orange 

 in Kokura, Chikujo-gun, Kato-mura, and Hukuoka City, in 

 Kiushiu, and in Wakayama-ken, Kiyoto, Osaka, Gifu-ken, 

 Aichi-ken, Tokyo, and Yokohama, in Hondo. It was also 

 found on Eurya ochnacea (Sakaki), in Chikujo-gun, Kiu- 

 shiu, and on tea-plant in the grounds of the Nishigahara 

 Agricultural Experiment Station, Tokyo. 



