BIRD-INFESTING MALLOI'IIAGA OF JAPAN. 



83 



hair. Metathorax transverse, with rounded angles and with posterior 

 margin pressed well into abdomen ; two long pustulated hairs on each 

 lateral side ; two more hairs, one long and another short, on each side of 

 the posterior margin. Legs short and stout, with a number of heavy 

 spines. 



Abdomen very broad, oval, widest at the second segment which is 

 well developed ; lateral margin of segments convex ; lateral angle of 

 second, third and fourth segments with two long hairs ; that of fifth with 

 two long and one short hairs, that of sixth with three long hairs, and that 



of seventh with two lone: 



Fig. 2. 



Gonio Jcs lativentris n. sp., female. X60. 



and two short hairs ; eighth 

 segment small, semicircular, 

 with two long hairs on each 

 side. Dorsal posterior mar- 

 gin of segments second to 

 seventh with a hair on each 

 side, situated just inside the 

 very broad and pale yello- 

 wish lateral band. Genitalia 

 well chitinized, narrow and 

 forked, reaching to first 

 abdominal segment. 



Female: — Larger than 

 male ; antenna: ordinary ; the 

 first segment short, slightly 

 longer than the adjacent 

 trabecular angle ; second 

 segment longest, about as 

 long as the two following 

 segments taken together ; 

 the third and the fifth nearly 

 equal ; the fourth a little 



