THE HETEROPTERA OF INDO-CHINA. 69 
Epagathus chapana, sp. n. 
Pale olivaceous green, thickly and somewhat coarsely punctate, 
membrane shining bronzy brown; antenne pale greenish, apical 
area of the fourth and the whole of the fifth joint reddish ochraceous ; 
basal joint not reaching apex of head, third joint shorter than second, 
fourth or fifth joints; body beneath paler than above, rostrum, disc 
of sternum, bases of femora and the tarsi more or less ochraceous ; 
rostrum more or less ochraceous and reaching the posterior coxe ; 
body above thickly and rather coarsely punctate. 
Long, 103 to 13 mm. 
Chapa. 
Upon@a, gen. nov. 
Body elongate; head a little longer than broad, lobes of almost 
equal length, lateral lobes strongly oblique near apex; antennz with 
five joints, basal joint stoutest, not reaching apex of head; rostrum 
moderately stout, about reaching posterior coxe ; pronotum broader 
than long, the anterior lateral angles shortly toothed, the posterior 
lateral angles almost perpendicularly spinous; scuteilum elongate, 
about apical fourth narrowed and extending beyond the middle of 
abdomen, which is only moderately posteriorly narrowed and has 
the apical angles of the sixth segment shortly but prominently 
toothed. 
I have placed this genus near Dabessus, Dist. 
Udonga spinidens, sp. n. 
Body above brownish ochraceous, thickly and somewhat coarsely 
punctate ; head more darkly punctate, eyes blackish ; antenne dark 
ochraceous, basal joint, and fourth joint excluding base and apex, 
blackish; rostrum moderately stout and reaching posterior coxe, 
pale. castaneous in hue; body beneath stramineous, somewhat 
sparingly and coarsely punctate, abdomen with three more or less 
broken longitudinal dark fascize; antennze with the first and second 
joints shortest, the first robust; the abdomen with the area of the 
spiracles distinctly darker and more blackish in hue. 
Long, 12 mm. 
Haut Mékong ; Pang Tiac. 
Paterculus aberrans, sp. n. 
Brownish ochraceous with small pale ochraceous mottlings ; 
narrow lateral margins of the pronotum and narrow basal lateral 
margins of the corium pale sanguineous ; head beneath, sternum and 
legs pale ochraceous, the sternum darkly punctate ; abdomen beneath 
darker ochraceous, the segmental incisures, stigmata and a double 
sublateral series of spots, black ; antenne pale ochraceous, third and 
fourth joints longest ; rostrum reaching the intermediate coxe. 
Long, 12 mm. 
Luang Prabang; Muong You. 
Allied to P. affinis, Dist., but with the apex of the rostrum 
only reaching the intermediate coxe. 
