ZooL.— Vol. III.] KUWANA—COCCIDAL OF JAPAN. 5 1 



Female, length about .65 mm., width, .4 mm.; oval in outline, anterior 

 end narrow, segments distinct. Antennas five-segmented, about .1 mm. 

 long; formula, 5, 3, i, 2, 4; segment 5 longest; 4 shortest; segment 6 with 

 many hairs; the others with few. Anterior pair of legs smaller than posterior 

 pairs; coxa large; trochanter very small, bearing a long hair; femur stout, 

 convex on both sides; tarsus longer than tibia; claw large, curved; digitules 

 on tarsus long and fine, digitules on claw stout and short. Coxa of second 

 and third pairs of legs very large, almost as long as femur. Margin of body 

 with spines; each abdominal segment with a transverse row of strong spines; 

 spines on thorax not in a row. Posterior end of body furnished with two 

 lobes, each bearing a long hair and a few spines. Anal ring prominent, and 

 bears six hairs. 



Eggs. — Length .4 mm., width .25 mm.; elliptical; brown in color. 



Male Cocoon. — Length .7 mm., width .3 mm.; elliptical; same color as the 

 female sac. 



This species was found by the author on Symplocos 

 myrtacea (Hainoki) in Chikujo-gun, Kiushiu. 



Type in the Entomological Collection of Leland Stan- 

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



10. Eriococcus onukii, sp. nov. 

 Plate VIII, Figs. 26-28; Plate IX, Figs. 29-33. 



Adult Female.— Y&cn?^Q, sac, length about 3.5 mm., width 2 mm.; strongly 

 convex, suboval in outline, usually with five transverse ridges on the dorsum, 

 but sometimes only four. Color of the sac white inclining to grayish. 



Female reddish brown. When boiled in KOH turns red; spread out 

 under cover-glass measures 2.5 to 3 mm. in diameter; dorsum with strong 

 spines, ventral aspect bearing many fine scattered hairs. Mouth-parts well 

 formed, rostral loop short. Antennae seven-segmented, .23 mm. long; seg- 

 ment I stout and shortest; segments longest, but not much longer than 4; 

 terminal segment with several long hairs, the others with a few short ones; 

 formulae: — 



3, 4, 7, 2 (5, 6) I I 

 (3. 4) I, 7, 2, 6, 5 ( 



(3, 4, 7) 2 (5, 6) I ) 

 (3. 4) 7. 2 (5, 6) I ( 



one specimen, 

 one specimen. 



(2, 3, 7) (4, 5) 6, I 

 3, 7, 2, 4 (5, 6) I 



one specimen. 



Legs as usual, subequal; coxa large, stout, longer than wide, bearing a few 

 spines; trochanter rather large, subtriangular, with two long and one short 

 spiny hair; tibia shorter than tarsus, with two spines on inner margin of pos- 

 terior extremity; tarsus slightly tapering toward end; tarsal digitules long, 

 knobbed, and hair-like, digitules on claw short, slightly extending beyond 



