50 CATALOGUE OF 
71. LyGRus MILES. 
miles, Blanch. Faun. Chil. 142—Sgut. A. S. E. F. 4me Sér. iii. 562. 
Chili. 
72, LYG#US ALBO-ORNATUS. 
albo-ornatus, Blanch. Faun. Chil. 143, pl. 2, f. 6B—Sgnt. A. S. E. F. 4me 
Sér, iii. 562. 
Chili. 
Africa and Madagascar. 
Most of the African species are thus distinguished by Prof. Stal :— 
A. Scutellum convex. Hind border of the pro- 
thorax more or less depressed and widened 
on each side. 
a. Scutellum very convex, with a decp longitudinal 
furrow. - - - - - 
b. Scutellum slightly convex, not furrowed. - 
B. Scutellum flat. Hind border of the prothorax 
straight. 
a. Prothorax with a longitudinal keel, which 
extends to the fore border. - - 
b. Prothorax with no keel, or with a very slight 
one, which does not extend to the fore 
border. 
Body above grayish, or reddish yellow. 
Hind angles of the metasthedium straight; 
hind border slightly rounded. 
+ Membrane white, with a brown spot. - - 
+t Membrane brown ; inner basal angle whitish. - 
tt Hind angles of the metasthedium elongated, 
acute. 
t Femora black. - - - = 
tt Femora mostly red. - - a = 
** Body above black, varied with red or with 
yellow. 
+ Thorax and pectus not wholly black. 
+ Third joint of the autenne wholly black. 
§ Pectus red, or black varied with red. Hind 
border of the metasthedium always black. 
 Clavus red; the commissural border only black. 
XX Clavus red, more or less broadly biack at the 
suture. 
o Scutellum black, very seldom indistinctly red at 
the extreme tip. 
+ Clavus with no hinder black spot. 
++ Head black. 
~~ Head with a little red hind stripe. —- - 
wrm Head with a forked red stripe. - - 
— * 
excavatus, 
famelicus. 
sternalis. 
contaminatus. 
proximus. 
apicalis. 
rufifemoratus. 
crudelis. 
rivularis. 
