ZooL.— Vol. III.] KUWANA—COCCIDM OF JAPAN. 49 



Tribe Kermesini. 



Genus Kermes Boitard. 



6. Kermes nakagawae, sp. nov. 



Plate VII, Figs. 9-15. 



Adult Female. — Length 4 to 5 mm., width 5 to 6 mm., height 3.5 to 4 mm. 

 Color dark brown with black transverse markings; covered with waxy, gray- 

 ish white secretion. A broad median longitudinal groove; in the groove 

 near the base is a round protrusion which usually has a grayish white flake 

 on each side. Antennae very small, about .1 mm. long, three-segmented; 

 formula 3, 2, i; segment 3 much the longest, longer than i and 2 combined; 

 last segment bearing four or five long hairs. Legs vestigial, only three parts 

 being apparent; claw large, curved; one pair of digitules. 



Newly Hatched Larva. — Length 4 mm., width .2 mm.; oval in shape. 

 Color pinkish; antennae and legs pale brown. Mouth-parts large, well- 

 formed; rostral loop long. Antennae short, only .1 mm. long, six-segmented; 

 formula, 6 (3, 2, i) (5, 4); segment 6 longest; 4 shortest; segment i stoutest. 

 Legs short and stout; tibia and tarsus about equal in length; tarsal digitules 

 fine and knobbed, digitules on claw short and stout; claw large, curved, and 

 denticulate on its inner side. Margin of body with capitate hairs; two rows 

 of capitate hairs on thoracic and abdominal segments. Ventral aspect with 

 five rows of fine hairs. Caudal lobes terminated with a long hair; three 

 spines behind the anal opening. 



This species was found by the author on the trunk of 

 Quercus serrata (Kunugi) in Akabane, Quej-ctcs sp. in the 

 grounds of the Nishigahara Agricultural Experiment Sta- 

 tion, Tokyo, and on Q. glandulifera (Nara) at Hikosan, 

 Kiushiu. The scales are usually found in groups, and are 

 badly infested by parasitic hymenoptera. 



Type in the Entomological Collection of Leland Stan- 

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



7. Kermes nawae, sp. nov. 

 Plate VIII, Figs. 16-22. 



Adult Female. — Length about 6.5 mm,, width 7 mm., height nearly 5 

 mm., globose in outline. Color shining chestnut brown; dorsum with five 

 black transverse markings; no longitudinal groove; thinly covered with 

 white powder. When taken off", the specimens leave some of the white 

 cottony substance on the tree. Antennae and legs very small. Antennae con- 

 sist of five segments, .16 mm. long; formula, 3, 4, 5, 2, i; segment 3 the 

 longest; terminal segment bearing several rather long hairs; the others a 

 few short ones. Mouth-parts well developed; mentum very large, conical. 



