HEMIPTERA IIETKROPTERA. 



49 



§ Sides of the abdomen notched. 9. Montina. 

 §§ Sides of the abdomen not notched. 



X Disk of the protliorax with spiny tubercles. - 10. Pleogaster. 



XX Disk of the prothorax without tubercles. - 11. Harpactor. 



ff 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. ZELID^. 

 Zelidae, Serv. Hist. Hem. 367. 



A. Head without long and acute spines. 



a. Soutellum unarmed. 



* Disk of the prothorax without tubercles. 

 f Hind angles of the prothorax unarmed. - 

 ft Hind angles of the prothorax with one spine. 

 | First and second joints of the rostrum equally long. 

 JJ First joint of the rostrum much shorter than the 



second. 

 § A tooth behind the sharp spine on each hind 



angle of the prothorax. - 



§§ No tooth behind the above spine. 



Disk of the prothorax with pointed tubercles. 

 Scutellum with one spine. - 



Head with long and acute spines. 

 Head with two spines. 

 Fore disk of the prothorax unarmed. 

 (• Hind angles of the prothorax not prominent. 

 Fore wings entirely membranous. 

 ft Hind angles of the prothorax prominent and 

 spine-shaped. 

 J Subapical joint of the antennae not dilated in the 

 male. Fore border of the prothorax with no 

 spines nor tubercles. - 

 JJ Subapical joint of the antennae dilated in the 

 male. Fore border of the prothorax with a 

 prominent or spine-shaped tubercle on each 

 side. - 



** Fore disk of the prothorax with spines. - 



b. Head with many spines. - 



** 

 b. 

 B. 

 a. 



* 



1. EVAGORAS. 

 2. IsOGONDYLUS. 



3. DlPLODA. 



4. Darbanus. 



5. Passalkutes. 



6. Saica. 



7. Myocoris. 



8. Zelus. 



9. Atrachelds. 



10. Heza. 



11, SlNEA. 



Fam. 10. HOLOTMCHIDJ;. 

 Holotrichidae, Serv. Hist. Hem. 376. 



A. Fore tibiae not dilated. - 



B. Fore tibiae dilated and membranous. 



1. Holotrichia. 



2. Pexalochira. 



H 



