1949] 
Cheng — Mecoptera 
147 
nished with several long Stairs ; internal skeleton flattened, 
the plate very small, less sclerotized, the posterior arms 
of the internal skeleton very long, sharp and strongly 
sclerotized, axis flattened, jointed with posterior arms 
and extending a little beyond the plate. 
c? unknown. 
Holotype (?) : Jihti, 30 miles east of Tachienlu, Sikang; 
Sept. 1, 1939 ; F. Y. Cheng, Io Chou and Tein Ho Hei ; in 
my own collection. 
This species differs from all the formerly described spe- 
cies by its body color, reduced wing markings and the 
peculiar shape of the genital segment of female. The 
position of this species in the above grouping is not de- 
termined. 
Panorpa leei n. sp. 
Figures 17, 18, 54 
Vertex black; rostrum reddish brown, with a short and 
deep brown stripe on each side of its upper portion; 
thorax black dorsally, yellowish brown laterally; 1st to 
6th abdominal segments black dorsally and ventrally, the 
7th to 9th abdominal segments very small, reddish brown. 
Fore wing : length, 14 mm. ; width, 4 mm. ; membrane hya- 
line, markings sooty brown; pterostigmal hand broad, 
with a complete basal branch, and a greatly reduced spot- 
shaped apical branch; apical band small, including a 
prominent narrow band and some faintly smoky spots; 
pterostigma prominent. Hind wing: length, 13 mm.; 
width, 3.55 mm.; similar to fore wing, except that the 
basal branch of pterostigmal band is greatly reduced. 
$ genitalia : subgenital plate small, narrowed posteriorly, 
apex rounded ; internal skeleton long, the plate abruptly 
narrow at the base, with a pair of sharp posterior arms, 
the axis extending for nearly half its length beyond the 
plate. 
c? unknown. 
Holotype (?) : Mt. Taipai, Shensi ; July 14, 1943 ; Chuan 
Lung Lee ; in the Museum of Comparative Zoology. Para- 
