THE HETEROPTERA OF INDO-CHINA. 167 
Cyclopelta rugosa, sp. n. 
Dark bronzy-brown ; head, anterior half of pronotum, about apical 
half of seutellum, and the corium more or less olivaceous-green ; body 
beneath and legs more or less castaneous, the tibiz, spiracles, and 
extreme lateral margin to abdomen distinctly darker in hue; antennze 
black, second joint longest and moderately compressed, third joint 
short, fourth less compressed, longer than third, shorter than second ; 
pronotum finely punctate and transversely rugulose, with a more or 
less distinct, central, longitudinal carinate line; scutellum more or 
less transversely rugose, on basal and apical areas more obliquely 
rugose; corium more or less irregularly rugulose; rostrum about 
reaching the intermediate cox; anterior femora distinctly spined 
beneath on apical area. 
Long, 12 mm. 
Xieng Khouang. 
The apex of the scutellum is more rounded and less angulate 
than in C. parva, Dist., or C. abdominalis, Dist. 
_ Aspongopus laosanus, sp. 0. 
Black ; lateral margins of pronotum, about basal half of lateral 
margins of corium, connexivum and lateral margins of sternum and 
abdomen beneath, sanguineous. Antenne robust, five-jointed, fourth 
and fifth joints longest, subequal in length, second and third joints 
short and also subequal in length, first joint shortly passing apex 
of head, second, third and fourth joints obscurely suleate; body 
above very finely, thickly and somewhat obscurely punctate; scu- 
tellum somewhat obscurely, transversely rugose; membrane slightly 
passing the abdominal apex; rostrum not quite reaching the inter- 
mediate cox, its base dull reddish; body beneath thickly finely 
punctate. 
Long, 15-16 mm. 
Haut Mékong; Laos, Xieng Khouang. 
Allied 4A. marginatus, Costa. 
Megymenum mekongum, sp. 0. 
Dull dark blackish-brown; membrane dull ochraceous, the 
venation darker and subprominent ; head above with the lobes 
broadly, concavely excavate, their apices distinctly cleft ; antennx 
robust, not nearly reaching apex of head, second joint longest, third 
and fourth subequal in length, fourth slender, ochraceous, blackish- 
brown at base; pronotum rugose, with a short curved spine on each 
side behind eyes, the anterior lateral areas thickly rugose, roundly 
and a little upwardly produced, near their bases a short obtuse spine 
on the lateral margins, behind head with a distinct circular concave 
protuberance, and with a distinct central excavate central line on 
posterior area; scutellum about as long as breadth at base, more or 
less transversely rugose, and with a distinct central, longitudinal 
raised line; membrane not reaching abdominal apex, the veins 
prominent; rostrum reaching the intermediate cox; abdomen 
