16 
^ PACIFIC SCIENCE, VoL VIII, January, 1954 
DIAGNOSIS: Palpal femoral, genual, and lat- 
eral tibial setae nude; dorsal tibial and ventral 
tibial setae feathered. Galeal seta feathered. 
Rear corners of the scutum rounded; sensil- 
lary bases behind a line connecting the pos- 
terolateral setae. Bases of sensillae with minute 
barbs; sensillae plumose on the distal two 
thirds. Dorsal setal formula 2-10-10-10-8- 
4-2-2. Scutal measurements of a specimen 
from southern Korea: AW-60, PW-64, SB-27, 
ASB-27, PSB-13, AP-18, AM-42, AL-29, PL- 
53, S-49. 
DISTRIBUTION AND HOSTS: Erom many lo- 
calities in southern Korea from Ra^Ws rattus, 
R. mrvegkus, and Apodemus agrarms. This is 
the first record of T. palpalis occurring outside 
Japan. 
TYPE DATA: Erom Microtus montehelli, Ya- 
magata Prefecture, Honshu, Japan. A lecto- 
type in the Institute for Infectious Diseases, 
University of Tokyo. 
Trombicula (Leptotrombidium) 
orientalis Schluger, 1948 
Fig. 3 
Trombicula orientalis Schluger, 
Obozr. [Moscow] 30: 157. 
1948. Ent. 
