HEMIPTERA HETEROPTERA. 195 
46. REDUVIUS BILIGATUS. 
Mas. Luteus, fusiformis, sublus niger ferrugineo univittalus; caput 
prothoracis lobo antico longius ; antenne nigre, corporis dimidio 
valde longiores, articulo lo luteo basi apiceque nigro; prothoracis 
lobus anticus valde convexus et sulcatus, lobo postico paullo brevior ; 
lobus posticus bituberculatus, nigro quadrinotatus ; scutellum apicem 
versus spiniforme, oblique ascendens ; connexivum luteo maculatum ; 
pedes nigro fasciati; ale antice nigra, basi plaga venarumque 
marginibus luteis. 
Male. Luteous, fusiform, dull, shining beneath. Head subfusiform, 
rather longer than the fore lobe of the prothorax; ante-ocular part a little 
longer than the post-ocular. Antenne black, much more than half as long 
as the body; first joint luteous, black towards the base and at the tip, 
longer than the ante-ocular head; second very much longer than the first ; 
third much longer than the second. Fore lobe of the prothorax a little 
shorter than the hind lobe, very convex, with strongly-marked black 
furrows; fore angles rounded, slightly prominent. Hind lobe with rect- 
angular prominent hind angles, with four black marks in front, and with a 
tubercle on each side of the hind border. Scutellum ending in an obliquely 
ascending spine. Pectus and under side of abdomen black, with a ferru- 
ginous stripe. Connexivum with luteous spots. Femora black towards the 
base and with a black band beyond the middle; tibiz with a black band 
and with black tips; furrow beneath the fore tibiz less than half as long 
as the latter, Fore wings black, luteous at the base, with a luteous patch 
before the middle, and with luteous-bordered veins. Length of the body 
93 lines. 
a. Siam. Presented by W. W. Saunders, Esq. 
47. REDUVIUS ARGILLACEUS. 
Mas et fem. Ferrugineus, longi-subfusiformis; caput prothoracis 
lobo antico longius, spina frontali oblique ascendente; antenne 
corporis dimidio aquilonge ; prothoracis lobus anticus sulcatus, lobo 
postico paullo brevior, lobus posticis angulis acutis valde prominulis ; 
sculellum apicem versus spiniforme, oblique ascendens ; abdominis 
dorsum ventris latera pedesque testacea. 
Male and female. Ferruginous, dull, elongate-subfusiform. Head 
subfusiform, longer than the fore lobe of the prothorax, with an obliquely 
ascending spine between the antenne; ante-ocular part as Jong as the 
post-ocular. Antenne about half as long as the body; first joint as long 
as the head; second much longer than the first; third longer than the 
second. Fore lobe of the prothorax a little shorter than the hind lobe, with 
distinct furrows; fore angles prominent, acute. Hind lobe with acute and 
very prominent hind angles. Scutellum ending in an obliquely ascending 
spine. Abdomen dull testaceous above and along each side beneath. Legs 
testaceous ; furrow beneath the fore tibie very short. Length of the body 
6 lines. 
a. Tenasserim. Presented by — Packman, Esq. 
b. Malacca. Presented by W. W. Saunders, Esq. 
