THE HETEROPTERA OF INDO-CHINA. 165 
margin of same, lateral margins of sternum, bases of coxze, abdominal 
spiracles and upper and inner margins of outer areas to abdominal 
segments, black; connexivum ochraceous with black spots at the 
union of the segments; legs piceous; rostrum ochraceous, slightly 
passing the anterior cox ; antenne with the first and third joints 
shortest and subequal in length, second and fourth longest, fifth shorter 
than fourth; upper surface more or less transversely wrinkled and 
finely thickly punctate ; scutellum centrally longitudinally ridged, the 
posterior segmental lateral angles shortly spinous. 
Long, 22-29 mm. 
Tonkin. 
Tesseratoma nigroscutellata, sp. n. 
Head and antenne black ; pronotum dark ochraceous or very pale 
castaneous, anterior and anterior lateral areas black; scutellum dark 
ochraceous on basal area, remaining area and apex black; corium 
dark, sometimes pale ochraceous, membrane very pale ochraceous ; 
body beneath, rostrum and legs piceous; body beneath sometimes 
almost completely covered with greyish-white suffusion; wings 
ochraceous, widely margined with tuscous-brown; antennx stout, 
third joint slightly shorter than second or fourth; head above 
moderately concave ; body above thickly somewhat finely punctate ; 
pronotum with the margins moderately subquadrate, at anterior 
angles distinctly compressed ; scutellum on the apical black area 
coarsely punctate, the apex broadly, centrally, longitudinally sulcate ; 
sternum considerably elevated centrally, and most prominently near 
the anterior coxe. 
Long, 27-32 mm.; breadth at pronotal angles, 14-17 mm. 
Tonkin; Haut Mékong. 
Eusthenes humeralis, sp. n. 
Head, pronotum and scutellum more or less olivaceous, corium 
castaneous-brown ; membrane shining castaneous ; sternum shining 
virescent ; head beneath, basal joint of antennx, rostrum, cox, 
trochanters, legs and metasternal elevation more or less brownish or 
brownish-ochraceous ; antennz fuscous, with the second and fourth 
joints longest; pronotum with the lateral angles broadly prominent, 
the lateral angles and margins more or less subrugosely punctate ; 
scutellum with about basal half strongly transversely rugose, the 
apex concave; corium very thickly and very finely punctate; con- 
nexivum above dark olivaceous, with the base of each segment 
ochraceously maculate ; posterior femora very robust, with a long 
curved spine beneath before middle, and with shorter and more 
obsolete spines near apex. 
Long, 30 mm.; breadth between pronotal angles, 17 mm. 
Tonkin. 
EKusthenes rubefactus. 
Eusthenes rubefactus, Dist., ‘Trans. Ent. Soc. Lond.,’ 1901, p. 111; 
ad., ‘Faun. B. Ind. Rhynch.,’ i, p. 267 (1902). 
Eusthenes diomedes, Bredd., ‘Wien Ent. Zeit.,’ xxiii, p. 15 (1904). 
Tonkin, Burma. 
