58. 
59. 
69. 
20; 
Flemiptera-fTeteroptera. 
. Head between the eyes flat, lower than 
the eyes 
. Head Petaeon the eyes convex, higher 
than the eyes . 
. Third and fourth joints of theantennz 
much thinner than the apex of the 
second. 
. Second joint of the antenn as long, or 
nearly as long, as the third and 
fourth together. 
Callosities of pronotum scarcely promi- 
nent, elytra in both sexes ae 
developed 
Callosities of pronotum very promi- 
nent, elytra in female generally not 
fully developed 
. Second joint of autenne much shorter 
than the third and fourth together. 
. Face nearly perpendicular, i.e. nearly 
at right angles to the vertex, wing 
cells without a hook-like nerve 
. Face declivous, not nearly at right 
angles to the vertex, wing cells 
with a hook-like nerve 
. Eyes not nearly touching the anterior 
margin of the pronotum. 
. Head constricted behind the eyes, eyes 
large. 
5. Posterior femora grooved 
. Posterior femora not grooved F 
. Head not constricted behind the eyes 
eyes small 
. Pronotum with the anterior margin 
not raised and rounded, nor con- 
stricted into a short, collar-like 
neck, nor much constricted in front 
and widened behind in the same 
species where the sides are sinuate 
and the base widely emarginate. 
Eyes not nearly touching the anterior 
margin of the pronotum . 
Eyes quite or nearly touching the 
pronotum. 
. Head posteriorly very thin and flat, 
covering the apex of the pronotum, 
posterior tibia somewhat flattened 
and curved 
2. Posterior tibize not cieved and flattened. 
. Wing cell without a hook-like nerve. 
: Head posteriorly more or less covering 
the front of the pronotum. 
. Antenne nearly twice as long as the 
body 
/MTORHINUS. 
CAMPYLONEURA. 
Cy1Locoris. 
GLOBICEPS. 
MeEcomMA AND 
CyYRTORBHINUS. 
ByYRSOPTERA. 
SysTELLONOTUS. 
DicyeHus. 
MacRroLoPHvus. 
Ma.acocoris. 
PILoPHORUS. 
Hatticts. 
