Some New Scale Insects of Japan. 



By 



S. I. Kuwana, 



Imperial Agricultural Experiment Station, Nishigahara, Tokyo. 



With Plate IV. 



JProtopulvinaria japonic «, sp. nov. 

 (Plate IV, figs. 1-4) 



Adult female : — Broadly pyriform, more or less narrowed in front. 

 Flat, five obscure ridges radiating from center to margin. Color of dried 

 examples straw brown to light brown with a broad, well-defined, chestnut 

 brown marginal zone. Ovisac indicated externally only by a very narrow 

 fringe of cottony secretion. Anal cleft deep. Antennas with eight 

 segments ; third and eighth segments subequal in length and longer than 

 any other segment. Formulae of four cases of antenna : 

 (3, 8), 2, (4, 5), I, 7, 6. 

 (3. 8), 2, 4, 5, r, 7, 6. 

 3, 8, 2, 4, 5, I, 7, 6. 

 8, 3, 2, (4, 5), I, 7, 6. 

 Legs small ; tarsus shorter than tibia. Stigmatic spines three, in a 

 shallow cleft ; median spine much longer than the others, stout but shorter 

 than marginal hairs. Marginal hairs long, simple but seldom forked. 

 Anal plates very long, their bases much longer than four times length of 

 their outer edges ; length equal to one-eighth that of entire insect. 

 Length 3-4 mm., width 2^-3 £ mm. 



Habitat : — On Fatsia japonica D. et P. (Yatsude) ; Nagasaki city. 

 Collected by Y. Horikawa, September 191 2. 



