139 
Pao 
Loy 
a 
e 
Zz 
eA 
. SeeA 
SS ee 
SSS 8 
es i 
CSS Ze 
Sa 
ST 
( 
| 
| 
c 
———_ 
Fig. 30—Phytoptus thujce (ventral view.) 
} j a. rostrum; 
b, labium; c, chelicere: 
, appearance of joints 
seen on the rostrum; e, tarsal claw; J, feather- 
like tarsal appendage; g. one of the first pair of 
hairs on under side of cephalothoax; h, one of 
the second pairof hairs on the under side of 
Se es i, genital plate: j, abdominal 
sucker. 
