12 
PACIFIC SCIENCE, Vol. VIII, January, 1954 
2. Anteromedian scutal setae paired; coxa I 
with two setae; all legs with six segments 
Shunsennia tarsalis 
Anteromedian scutal seta single; coxa I 
with one seta; all legs with seven seg- 
ments 3 
3. Sensillae capitate; palpal claw five- 
pronged genus Euschongastia, 4 
Sensillae flagelliform; palpal claw three- 
pronged genus Trombicula, 5 
4. Two pairs of humeral setae . . E. ikaoensis 
One pair of humeral setae . . .E. koreaensis 
5. Scutum more or less pentagonal; one or 
more mastitarsalae III 
subgenus Neotrombicula, 1 2 
Scutum more or less rectangular; with no 
mastitarsalae III 
subgenus Leptotrombidium, 6 
6. Ventral tibial seta of palpus feathered ... 7 
Ventral tibial seta of palpus nude 8 
7. Base of sensillae nude or with very min- 
ute, closely appressed barbs; first post- 
humeral row of setae usually .palpalis 
Base of sensillae with small but con- 
spicuous, divergent basal barbs; first 
posthumeral row of setae usually eight 
orientalis 
8. With one nude seta on telofemur III; 
dorsal palpal tibial seta nude; spur on 
tarsus II longer than spur on tarsus I . . 
subakamushi 
With no nude seta on telofemur III; 
dorsal palpal tibial seta feathered; spur 
on tarsus II shorter than spur on tarsus I 
9 
9. Scutum more than twice as wide as long 
.hiranumai 
Scutum less than twice as wide as long 
10 
10. Sensillae with conspicuous, divergent 
basal barbs pallida 
Sensillae basally nude or virtually so . .11 
11. Scutum with a pair of crescent-shaped 
marks near the anterior margin; barbs on 
dorsal setae short myotis 
Scutum without crescent-shaped marks; 
dorsal setae rather short, but with numer- 
ous long barbs subintermedia 
12. With three mastitarsalae III tamiyai 
With one or two mastitarsalae III .... 12 
13. With two mastitarsalae III ........... . 
”sp.” of Kanda 
With one mastitarsala III 1 3 
14. With two pairs of humeral setae, .japonica 
With one pair of humeral setae . . . nagayoi 
Shunsennia tarsalis 
Jameson and Toshioka, 1953 
Shunsennia tarsalis Jameson and Toshioka, 
1953. Biol. Soc. Washington, Proc. 66: 
89-92. 
DIAGNOSIS: Palpal femoral, genual, and dor- 
sal and ventral tibial setae densely feathered; 
lateral tibial seta long with 3-4 small barbs. 
Palpal claw three-pronged. Galeal seta with 
a few barbs. Coxal setae 2-1-1. Sternal setae 
0-4. Sensellae nude. Scutal measurements of 
holotype: AW-83, PW-106, SB-35, ASB-61, 
PSB-20, AP-20, AM-84, AL-76, PL-126, 
S-109. 
DISTRIBUTION AND HOSTS: Known only 
from the original data. 
TYPE DATA: Holotype from {l)Clethrionomys 
rufocanus; 15 miles northwest of Wonju; 
March 13, 1952. One paratype with same 
data and one paratype from Apodemus agrarius, 
10 miles west of Chunchon; February 16, 
1952. Holotype deposited at the U. S. Na- 
tional Museum. 
Gahrliepia (Walchia) brennani var. 
ventralis Womersley, 1952 
Fig. 1 
Gahrliepia {Walchia) brennani var. ventralis 
Womersley, 1952. So. Austral. Mus. Rec. 
10 (pt. 1): 295. 
DIAGNOSIS: Palpal femoral seta nude or 
branched; other palpal setae nude. Palpal claw 
three-pronged (stated to be two-pronged in 
original description). Galeal seta nude. Scu- 
