EXPLANATION OF PLATE XIII. 
1.—Psilota cyanea, Brun. sp. nov. 
2.—Melanostoma orientale, W. 
2.—Melanostoma undescribed form 
4.—Melanostoma umvittatum, W. 
~ 
I, 9 
6.— ia 
7.—Syrphus distinctus , Brun. sp. nov. 
8.—Baccha apicenotata, x a 
9.—Sphegina tricoloripes, is Fe 
10.—Graptomyza tinctovittata, ,, a 
11.—Merodon ornatus, 2d of 
12.—Myiolepta himalayana + ae 
13.— > . ss 50 
14.—Criorhina imitator, 5 bs 
15.—Temnostoma nigrimana, ,, ‘i 
16.—Arctophila simplicipes,  ,, be 
17.— A 
18,— a 
19.—Chrysotoxum convexum, _,, z 
20.—Ceria fuivescens, ms S 
2I1.— a 9 3 
22.—Certa ornatifrons, i ri 
head in profile. 
abdomen o@. 
‘, Q. 
abdomen. 
part of wing. 
wing. 
» 
abdomen. 
head in profile. 
wing. 
full insect. 
abdomen, 
full insect. 
hind leg. 
arista. 
abdomen. 
thorax 
abdomen. 
front view 
head. 
of 
