HEMIPTERA HETEROPTERA. 



57 



8 



§ 

 §§ 



X 

 XX 



t Second joint of the rostrum twice longer than 

 the first. Femora carinate-nodulose. Fore 

 femora especially clavate. - 

 J| Second joint of the rostrum a little longer than 

 the first. Femora very slightly nodulose, 

 not clavate. - 



ft Post-ocular part of the head sometimes more 

 than twice longer than the ante-ocular part, 

 often shorter. Eyes more or less remote 

 from the tip of the head. 

 X Head oval, shorter by nearly the half than the 

 prothorax. Prothorax flat ; sides ridged, 

 not obtusely convex. - 



Prothorax rarely flat ; head in that case hardly 



or but a little shorter than the prothorax. 

 Hind lobe of the prothorax angularly extended 



hindward, covering the scutellum. - 

 Hind lobe of ihe prothorax not extended hind- 

 ward, not covering the scutellum. 

 First joint of the rostrum longer than the second. 

 Prothorax flat ; fore lobe with a conical 

 tubercle on each side at the base; disk 

 unarmed. - 

 Prothorax, the fore lobe especially, more or less 

 convex, this lobe with no conical tubercle on 

 each side at the base. 

 o Side angles of the hind lobe of the prothorax 

 acute, prominent, or armed with a spine. 

 -+ First joint of the rostrum longer than the 



second, or the two almost equal in length. 

 +♦ Post-scutellum angularly prominent behind the 



scutellum. 

 w First joint of the rostrum longer than the third 

 and fourth. Scutellum unarmed. - 

 un<&% First joint almost as long as the third and 

 fourth. Scutellum spiny. - - - 



**** Post-scutellum not or hardly and never angu- 

 larly prominent behind the scutellum. 

 w First joint of the rostrum a little longer than 



the third and fourth together. 

 + Body oblong-ovate. Hind lobe of the prothorax 

 with two compressed tubercles. Abdomen 

 somewhat dilated, especially in the middle. 

 H — \- Body elongate. Hind lobe of the prothorax 

 unarmed or with two spines in the disk. 

 Antennas and legs long, slender. Fore 

 tibiae almost as long as the femora. 

 *o*»&> First joint of the rostrum shorter than the 

 third and fourth together, or equal to them 

 in length. Hind lobe of the prothorax with 

 four spines. 



Peprius. 

 Vesbi us. 



Phonoctonus. 



Panthous. 



IsYNDUS. 



DALYBTA. 



Alcmkna. 



Astinus 



Endochus. 



