IIEMIPTERA HETEROPTERA. 
43 
2, PLENIFKONTIA. 
A. Femora with spines beneath ; hind femora 
thicker than the others, especially in the 
males. - - - - - J. Nematopida:. 
B. Femora smooth ; hind femora not thicker than 
the others. Legs generally slender. - 2. Homeooerid^. 
Fam.- 1. NEMATOPIDJl. 
Nematopides, Serv. Hist. Hem. 191 — Coreida, Meropachydida, Mictidida 
et Placoscelida, Stal. 
A. Rostrum short, received into a groove between 
the fore legs. 
a. Fourth joint of the antennae longer than the 
third. 
* Second joint of the antennae longer than the 
third. Abdomen rhomboidal, much dilated. 
** Second and third joints of the antennae of equal 
length. Abdomen oval. 
f Posterior tibiae not dilated. - _ - 
ff Posterior tibiae dilated. - - - 
b. Fourth joint of the antennae shorter than the 
third. - - - - _ 
B. Rostrum not occupying a groove between the 
fore legs. 
a. Antenniferous tubercles not spinous externally. 
* Fourth joint of the antennae shorter than the 
third. - - - . - 
* Fourth joint of the antennae not shorter than 
the third. - 
b. Antenniferous tubercles spinous externally. 
* Hind tibiae foliaceous, or short and stout, 
f An acute point between the antennae. - 
-f-f- No acute point between the antennae. 
X Third joint of the antennae dilated and folia- 
ceous. 
§ Second joint of the antennae cylindrical. Abdo- 
men oval, bordering the fore wings on each 
side. 
X Sides of the prothorax not serrated. 
X X Sides of the prolhorax serrated. 
§§ Second joint of the antennae spatuliform. 
Abdomen elongate, not bordering the fore 
wings on each side. - - - 
Third joint of the antennae cylindrical like the 
others. 
§ Apical joint of the antennae much longer than 
the preceding joint. Hind tibiae foliaceous. 
1. Rhombogaster. 
3. Mozena. 
13. Archimerus. 
2. Acroclytrum. 
4. Brachytes. 
5. Bardistus. 
6. Metopodius. 
7. Pachylis. 
8. Cnemyetus. 
9. Spathophora. 
10. Melucha. 
