HEMIPTERA HETEROPTERA. 
49 
§ Sides of the abdomen notched. 
§§ Sides of the abdomen not notched. 
X Disk of the protiiorax with spiny tubercles. 
X X Disk of the prothorax without tubercles, 
ft Fore femora with a spine at the base. - 
The genus Oreada may be placed here at present 
be wingless. 
Fam. 9. ZELIDiE. 
Zelidae, Serv. Hist. Hem. 367. 
A. Head without long and acute spines. 
a. Scutellum unarmed. 
* Disk of the prothorax without tubercles. 
f Hind angles of the prothorax unarmed. - 
ft Hind angles of the prothorax with one spine. 
J First and second joints of the rostrum equally long. 
First joint of the rostrum much shorter than the 
second. 
§ A tooth behind the sharp spine on each hind 
angle of the prolhorax. - 
§§ No tooth behind the above spine. 
** Disk of the prothorax with pointed tubercles. 
b. Scutellum with one spine. 
B. Head with long and acute spines. 
a. Head with two spines. 
* Fore disk of the prolhorax unarmed. 
f Hind angles of the prothorax not prominent. 
Fore wings entirely membranous. 
ff Hind angles of the prothorax prominent and 
spine-shaped. 
J Subapical joint of the antennae not dilated in the 
male. Fore border of the prolhorax with no 
spines nor tubercles. - 
f! Subapical joint of the antennae dilated in the 
male. Fore border of the prolhorax with a 
prominent or spine-shaped tubercle on each 
side. - - - - - 
** Fore disk of the prothorax with spines. - 
b. Head with many spines. - 
Fam. 10. HOLOTRICHID.E. 
Holotrichidae, Serv. Hist. Hem. 376. 
A. Fore tibiae not dilated. - 
B. Fore tibiae dilated and membranous. 
9. Mon tixa. 
10. Pleogaster. 
11. Harpactor. 
12. Acanthischia. 
; it is supposed to 
1. Evagoras. 
2. ISOCONDYLUS. 
3. Diploda. 
4. Darbanus. 
5. Passalkutes. 
6. Saica. 
7. Myocoris. 
8. Zebus. 
9. Atrachelus. 
10. Heza. 
11. Sine a. 
1. Holotrichia. 
2. Petalochira. 
h 
