THE HETEROPTERA OF INDO-CHINA. 5 
Ouscha viridissima. ins 
Above metallic-green, coarsely, thickly punctate, narrow anterior 
and lateral margins to head, eyes, lateral margins and apices of 
lateral angles to ‘pronotum, body beneath and legs. ochraceous ; head, 
pronotum and scutellum thickly, coarsely punctate, corium more 
thickly and finely punctate; antenne ochraceous, apex of third and 
about apical halves of fourth and fifth joints black; head apically 
broadly excavate between the lateral lobes; legs ochraceous, femora 
finely sprinkled with minute darker spots, lateral margins of the body 
beneath more or less suffused with metallic green ; ‘membrane pale 
brownish, slightly passing the abdominal apex. 
Long, 17 to 184 mm.; breadth between pronotal angles, 74 mm. 
Tonkin; Chapa. Laos; Xieng Khonang. 
Halys rugosus, sp. 1. 
Body above thickly and very coarsely punctate, pale ochraceous, 
the punctures black or dark ochraceous; head elongate, tapering in 
front, the central lobe longer than the lateral lobes, blackly punctate, 
especially on central lobe and near eyes; antennz ochraceous, the 
first, fourth and fifth joints darker, sometimes almost black, second 
joint a little shorter than third, fourth or fifth joints; eyes fuli- 
ginous; pronotum coarsely punctate, the lateral margins shortly 
dentate, the lateral angles shortly and broadly prominent and their 
apices broadly, distinctly upturned; scutellum coarsely blackly 
punctate, the lateral angle and apical area distinctly paler but 
coarsely punctate; corium blackly punctate, the punctures coalescing 
on dise and forming three irregularly-shaped spots ; membrane dark 
bronzy-brown; body beneath and legs ochraceous; punctures to 
femora, basal and apical areas of tibize and apices of tarsi black ; head 
beneath thickly, darkly, coarsely punctate, sternum laterally broadly, 
thickly darkly punctate, mesosternum with two contiguous, central, 
shining black spots, abdomen with the segmental margins and a 
subapical spot black, the lateral margins black with large ochraceous 
segmental spots; abdomen centrally longitudinally sulcate, rostrum 
reaching the third abdominal segment. 
Long, 16-18 mm.; breadth between pronotal angles, 8-9 mm. 
Laos, Xieng Khonang, Giranville; Haut Mekong, Vieng Vai. 
Ageus tonkinensis, sp. n. 
Above ochraceous ; head with a broad longitudinal black fascia 
broadened from between eyes and containing a central longitudinal 
ochraceous line; pronotum with two transverse elongate spots 
behind anterior margin, two large rounded central spots on disc 
which nearly reach posterior margin, and two small oblique sub- 
marginai spots situate just above “lateral angles, black; scutellum 
with the basal area dark greenish-black, beyond which the sublateral 
margins are of the same colour; corium with a broad central trans- 
verse fascia and a rounded spot both near base and apex, black; 
membrane bronzy-black; body beneath ochraceous with bluish- black 
maculations both centrally and laterally; rostrum  bluish-black, 
