JOUBNAli OF ENTOMOLOGY AND ZOOLOGY O 



outer edge ; together approximately quadrate ; apex of the plate 

 with five hairs. 



Length, 5-6 mm. ; width about 4 mm. ; ovisac, 6-9 mm. 



Egg — Oblong, very pale yellow. Leugih, 0.27 mm.; width, 

 0.15 mm. 



First larval stage — Oval and fiat; pale yellow, eyes dark 

 purple. Antennae six-segmented; the last segment the longest. 

 Length about 0.30 mm. 



Habitat — On Photonia villosa, and Celtis sinensis, Nishiga- 

 hara, Tokyo. Collected by the writer and others. May, 1912. 



VI. Pulvinaria ukitsuensis n. sp. 

 (Plate III, Figs. 25-29) 

 Adult female — Lemon yellow in color, derm slightly powdered 

 with white mealy secretion. Elliptical in form, slightly convex ; 

 derm soft, shrivelling after gestation. Ovisac white, elongated, 

 straight or curved. Antennae composed of seven or eight seg- 

 ments, usually eight; in the former, segment IV the longest, 

 while in the latter case, segm.ent III the longest; each segment 

 with long slender hairs ; formula of two examples given below : 

 IV, III, II, VII, I, V, VI. 



Ill, II, VIII, IV, V, (VI, vn, I). 



Mouth parts small and stout; rostral setae short. Legs sub- 

 equal ; coxa large and much longer than wide, with several short 

 hairs ; trochanter small and slender, with one long and one short 

 hair ; tarsus longer than one-half the length of tibia ; claw stout, 

 curved; digitules on tarsus rather short and stout, while those 

 on the claw very stout. Marginal hairs slightly dilated or 

 simple. Stigmatic indentation not well defined, with thi'ee stout 

 spines, those of the middle one very long, while the other two 

 are very short, shorter than the marginal hairs. Derm crowded 

 with irregularly oval or round cells. Triangular plates small, 

 together approximately square ; base equal to outer edge ; outer 

 angle rectang-ular ; apex with several hairs; two prominent 

 hairs on about the middle of the plates. 



Length about 2-3 mm. ; width, 2 mm. ; ovisac, 5-9 mm. 



