ApliiilMao of Formosa.— 3. 41 



grcrnisli. Tuliorcli; iilioyc llie cauda very sliglitly dusky. Logs palo grconisli, 

 sli,<';litly dusky on tlic tarsi. 



Eody oblong', slightly mor(' tliau twice as long as wide. Head large, provided 

 witii a few ra'Iier long stout .bristles on the front. Frontal tubercles absent. J^^yes 

 soniewliat protubsrant, without ociiLir tubercles. Antennae very short, abnost as 

 long as the widili of the body, 4-;ointed, i>rovided .with a few short setae; the ;^)r(l 

 'oiut nlniost as long as the bas.il two Joints taken together, with the sensorium very 

 small; the 4tli somewhat imbricated; the ^elat'ive length of joints about as follows: 

 TII-17, IV-'29 (13-j-lG). Rostrum' reaching the hind coxae. Abdomen witliout 

 lii cr.il tuberelis, provided with a pair of short bristles at the middle of the dorsum 

 and a similar hair on either side of each segment. Tubercle aliove the cauda very 

 sliort, wider tlian long, provided witli a pair of^long stout bristles. Cornicles very 

 short and stout, about 1.5 times as long as wide, not expanded at the base, 

 constricted at the apex, somewhat imbricated, almost as long as the spur of the last 

 antenual joint. (Jauda wider than long, rounded, provided with a pair of rather long 

 bristles. Legs stout; the front and middle tiliiae provided with a few short setae, hind 

 tibiae almost as stout as the cornicle, with some very long bristles; hind tarsi 

 almost as long as the 3rd antenual joint. 

 Length of body about 0.75 mm. 



(The second instar) Antennae 5-jointcd, tlie relative length of joints about 

 as follows: nL20, IV 10, V-37 (14 + 23). 



(The thiid inslar) Antennae 5-jointed, the relative length of joints about as 

 follows : IIL34, IV-13, V-45 ( 16 + 29 ). 



(The fourth instar) Antennae 5 jointed, the relative length of joints about 

 as follows: 



Wingless form : III-57, IV-16, V-53 (23 + 30). 



Winged form: III-65, IV-20, V-57 (20+37). 



Wing.pads preen. Eyes larg^, with small ocular tubercles. Cornicles eylind- 

 ri al, moderately dilated on the distal half. Tubercle above the cauda slender, 

 Cau''a wider than long, conical. 



Some wingless and a few winged viviparous females were collected in .April 

 and :\ray, 1923, at Tailioku. 



CavarieUa neocaprcae Takah. was collected by Mr. M. Xurisaki at Tadonu, 

 Wakayama-prefecture, Japauj in May. 1920, 



