450 
Journal of the Asiatic Society of Bengal. |N.S., XIX, 
Diplacodes trivialis (Ramb ). 
miggerri oe (Ramb.) Nevr., p. 115 (1842),—Fabr. 
(Li 
ellula braminea) Suppl. Ent. Syst., p. 284 (1798), 
ca dani (Diplax trivialis) Novara, p. 104 (£866),— 
Id., Zool. bot. Wien, 17, a 289 (1867 ),—Selys, Ann. 
Soe. Ent. Belg., 27, p. 95 (1883),—Kirby, (T'rithemis 
trivialis) Trans. Zool. Soc., Lond., 12, p. 278 (1889),— 
Id, ay Zool. Soc., Lond., p. 203 (1893) ,—Laid. ibid., 
p. 66, i, (1902), —Karsch, (Diplacod-s trivialis) Ent. 
Nachr., “7. p. 246 (1891),—Ris, Cat. Coll. Selys, Fasc. 
XII, p. 468 (1911), etc. 
Ss 2 Q ee = ‘ from the Salween Valley. All true 
d widespread species from 
type n 
the a valighee vA i Philippines and throughout the 
oriental region. 
Bracbydiplax yunnanensis, sp. nov. 
3¢ gand 52 2 Yeichih, in the Mekong Valley, 4¢ 2 
and 1 @ near Chitsung, Yangtse Vallev, 1 2 North of 
Shih-ku, 5 2 2 near Ho-ching. 
Male. Abdomen 24 mm. Hindwing 28 mm. 
Head. J.abium ochreous; labrum white; face brown, 
unmarked; frons and vesicle metallic green; occiput 
black. Back of head and eyes dark reddish brown 
variegated with bright citron yellow and black. 
Prothorax and thorax black, dully metallic. Legs 
black, hind-legs with a row of robust, rather short widely 
spaced femoral spines. 
Abdomen-densely pruinosed, almost w sags Short and 
— tapering gradually to the anal e 
ings hyaline, the bases inuned diffusely as far 
er 
out as a little distal to the line of the trigones. 
stigma bicolorous, the costal half deep blackish brown, 
the posterior half wh itish ; trigones traversed once in 
all wings ; nodal index us ; discoidal field begins with 
a row of cells and then continues as rows of 2 cells. 
Anal appendages black, rather long and curving 
sharply downward, slightly dilated at the ends. 
Genitalia prominent, lamina broad and low, hamules 
bulky, the base tumid, the hook very short and sharply 
eurved ; lobe long and thin. 
Female. Abdomen 22mm. Hindwi ying 28 mm 
Head. Eyes pale olivaceous yellow with a reddish 
cap above; labium with the middle lobe black, the 
lateral bright citron yellow narrowly bordered with 
black ; labrum and face a deeper yellow : frons metallic 
blue ; occiput pale yellow, the rest as for m 
Prothorax and thorax pale yellow, the latter with an 
