HEMIPTERA HETEROPTERA. 49 
§ Sides of the abdomen notched. - mess 9. MonTiNa. 
§§ Sides of the abdomen not notched. 
x Disk of the prothorax with spiny tubercles. - 10. PLeocasrer. 
XX. Disk of the prothorax without tubercles. - 1]. Harpactor, 
tt Fore femora with a spine at the base. - - 12, ACANTHISCHIA. 
The genus Oreada may be placed here at present; it is supposed to 
be wingless. 
Fam. 9. ZELIDZ. 
Zelide, Serv. Hist. Hem. 367. 
A. Head without long and acute spines. 
a. Scutellum unarmed. 
* Disk of the prothorax without tubercles. 
+ Hind angles of the prothorax unarmed. - - 1. Evacoras. 
tt Hind angles of the prothorax with one spine. 
{ First and second joints of the rostrum equally long. 2. Isoconpytus. 
tf First joint of the rostrum much shorter than the 
second. 
§ A tooth behind the sharp spine on acu hind 
angle of the prothorax. - - 3. Drpcopa. 
§§ No tooth behind the above spine. = 4. DarBANus. 
** |)isk of the prothorax with pointed tubercles. - 5. PassaLEUTES. 
b. Scutellum with one spine. - - - 6. Salca. 
B. Head with long and acute spines. 
a. Head with two spines. 
* Fore disk of the prothorax unarmed. 
+ Hind angles of the prothorax not prominent. 
Fore wings entirely membranous. —- - 7. Myocoris. 
tt Hind angles of the prothorax prominent and 
spine-shaped. 
t Subapical joint of the antennz not dilated in the 
male. Fore border of the prothorax with no 
spines nor tubercles. - - 8. ZELUus. 
tt Subapical joint of the antenne dilated in the 
male. Fore border of the prothorax with a 
prominent or spine-shaped tubercle on each 
side. - - - - - 9, ATRACHELUS. 
** Fore disk of the prothorax with spines. - = 10. Heza. 
b. Head with many spines. - - - - 1], Sing. 
Fam. 10. HOLOTRICHID. 
Holotrichide, Serv. Hist. Hem. 376. 
A. Fore tibie not dilated. - - - - 1. Hotorricaia. 
B. Fore tibie dilated and membranous. - - 2, PErALOCHIRA. 
H 
