HEMIPTERA HETEROPTERA. 161 
thick ; femora setose; tibia with stout spines. Fore wings thickly and 
minutely punctured, with two striz near the costa and with four near the 
hind border; membrane brown. Length of the body 6% lines. 
a. Tondano. Presented by W. W. Saunders, Esq. 
80. AArHUS sTYGIUs. 
Niger, ellipticus, nitens, convexus, dense punctatus; rostrum rufum ; 
antenne picee, articulis apice fulvis; thorax sparse punctatus, antice 
subexcavatus, sulco medio transverso indeterminato; scutellum sparse 
punctatum ; pedes crassi; ale antice sexstriate, dense et subtiliter 
punctate, membrana fusca. 
Black, elliptical, convex, shining, thickly and largely punctured, nar- 
rower than A. insignis. Head about one-third of the breadth of the 
thorax; lateral lobes a little longer than the middle lobe. Eyes, ocelli 
and rostrum red. Antenne piceous, not more than one-fourth of the 
length of the body; joints with tawny tips. Thorax thinly punctured in 
front and on each side, and behind the transverse furrow, which is very 
slight; excavation in front much more slight than that of A. insignis. 
Scutellum thinly punctured. Legs thick; tibia with stout spines. Fore 
wings thick y and minutely punctured, with two striz near the costa and 
with four near the hind border; membrane brown. Length of the body 
5 lines. 
a, Sarawak. Presented by W. W. Saunders, Esq. 
b. Sarawak. From Mr. Wallace’s collection. 
8l. AurHuS CALIGINOSUS. 
Niger, obscurus, ellipticus, subtiliter et confertissime punctatus ; anlenne 
picee ; thoracis sulcus transversus bene determinatus ; pedes robusti, 
tibiis dense spinosis ; ale antice membrana lurida. 
Black, elliptical, dull, slightly convex, minutely and very thickly punc- 
tured. Head about one-third of the breadth of the thorax. Autenne 
piceous ; joints to the fifth successively increasing in length. ‘Thorax with 
a well-defined transverse furrow, which is somewhat nearer to the hind 
border than to the fore border. Legs stout; tibice densely spinose. Mem- 
brane of the fore wings lurid-brown. Length of the body 4% lines. 
a. Malacca. Presented by W. W. Saunders, Esq. 
82, ASrHUS DISCOLOR. 
Niger, ellipticus, convexus, nitens ; capitis latera striata ; thorax glaber, 
antice excavatus, sulco medio transverso bene determinato ; scutellurn 
glabrum ; pedes robusti, cowis femoribusque rufis; ale antice sa- 
turate rufescentes, quadristriate, subliliter punctate, membrana 
cinerea. 
Black, elliptical, convex, shining. Head striated on each side, about 
half the breadth of the thorax. Thorax smooth, excavated on most of the 
breadth in front of the middle transverse furrow, which is distinct. Scu- 
tellum smooth. Legs stout; coxw and femora red; tibia moderately 
Y 
