105 CALIFORNIA ACADEMY OF SCIENCES [Proc. 4th Ser. 



mm.; II, 0.10 mm.; Ill, 0.64 mm.; IV, 0.265 mm.; V, 0.265 

 mm.; VI, 0.30 mm. (base 0.25 mm., spur 0.05 mm.); total 

 1.64 mm. Sensoria transversely narrow and distributed as 

 follows on the left member: III, 29; IV, 10; V, 9; VI with 

 the usual number. Paratypes show the following variation: 

 III, 27-31 ; IV, 9-12 ; V, 8-12. Rostrum reaching to the base of 

 the abdomen. Wax plates of the mesothorax oval and lo- 

 cated just back of the middle. Legs black with the bases of 

 the femora pale. Wings infuscate along the costal margin 

 and at base; veins narrowly border with darker; length of 

 the front wings 6 mm. Abdomen dark, with the ventral sur- 

 face olive-green. Mounted specimens appear pale. 



Nymphs — Dark with abdomen transparently brownish, 

 thorax pale-green, the wing pads dusky. In other respects 

 much like the adults. 



Host plant — Hiiragi, Osmanthiis agnifolkim B. & H. 



Localities^ dates, etc. — Taken as follows: 



1. Yamaguchi-Ken, May 24, 1913. Collection number 58. 



2. Tokyo, May 29, 1913. Collection number 67. 



Remarks — This species is close to P. cratcegi Tull., but it 

 has many more sensoria on the antennae and infuscated wings 

 are characteristic. No apterous females were collected. 



Prociphilus pyri (Fitch) 

 Figure 37 



The winged and apterous females of this species were 

 taken from pseudogalls formed on the edges of the leaves of 

 the Japanese pear and opening beneath, Nishigahara, Tokyo, 

 May 8, 1913. Collection number 7. 



Prociphilus populiconduplifolius (Co wen) ? 



The apterous females taken agree very well with deter- 

 mined material from the United States. Collected on Hi Ki- 

 no-Kasa, Raniincuhis ternahis Thunb., Nishigahara, Tokyo, 

 May 13, 1913. Collection number 54. 



