4 GATALOGUE OF 
Male and female. Red, smooth, shining, very elongate-oval. Head 
fusiform, somewhat longer than the fore lobe of the prothorax; ante-ocular 
part longer than the post-ocular. Antenne black, more than half as long 
as the body; first joint shorter than the ante-ocular head; second four 
times as long as the first; third shorter than the second. Fore lobe of the 
prothorax rugulose, a little shorter than the hind lobe; fore angles 
rounded, not prominent. Hind lobe with a longitudinal furrow; hind 
angles rounded, hardly prominent. Fore femora thick. Furrow beneath 
the fore tibia very short. Membrane black. Length of the body 6 lines. 
a,b. Ceylon. Presented by Dr. Templeton. 
16. OpPINUS SEMICOSTALIS. 
Mas et fem. Rufus, depressus, longissime ovalis; caput prothoracis 
lobo antico paullo longius ; prothoracis lobus anticus lobo postico 
paullo brevior ; scutellum apicem versus spiniforme ; femora robusta ; 
ale antice nigra, basi et apud costam rufe. 
Male and female. Red, flat, smooth, shining, very elongate-oval. 
Head subfusiform, of the male with two short porrect spines in front, a 
little longer than the fore lobe of the prothorax; ante-ocular part longer 
than the post-ocular. Antenne with the first and second joints shorter, the 
second also thicker in the male than in the female. Prothorax with a 
longitudinal furrow; angles rounded, not prominent. Fore lobe a little 
shorter than the bind lobe. Scutellum ending in a short spine. Femora 
stout. Fore wings black, red at the base and along the costa of the corium. 
Length of the body 5 lines. 
a. Cambodia. From M. Mouhot’s collection. 
6. Siam. From M. Mouhot’s collection. 
17. OPINUS NIGRIPES. 
Mas. Rufus, depressus, longi-subovalis; caput antice bispinosum, pro- 
thoracis lobo antico longius ; antenne nigre ; prothoracis lobi aqui- 
longi ; ventris macula apicalis nigra; pedes nigri, femoribus anticis 
subtus dentatis; ale antice niyre, basi costeque dimidio basali 
rufis. 
Male. Red, smooth, flat, elongate, suboval. Head subfusiform, 
longer than the fore lobe of the prothorax, with two short stout porrect 
spines in front; ante-ocular part longer than the post-ocular. Antenne 
black, as long as the prothorax; first joint shorter than the ante-ocular 
head; second stout, twice as long as the first; third shorter than the 
second ; fourth as long as the third. Prothorax with a longitudinal furrow. 
Fore lobe as long as the hind lobe; fore angles prominent. Hind lobe 
with the hind angles rounded, not prominent. Scutellum triangular. 
Abdomen beneath with a black apical spot. Legs black; femora thick; 
fore femora dentate beneath. Fore wings black, red at the base and along 
balt the length of the costa. Hind wings pellucid. Length of the body 
5 lines. 
a. Aru. From Mr, Wallace’s collection. 
