HEMIPTERA HETEROPTERA. 



61 



part of the head almost twice longer than 

 the ante-ocular part, slightly sinuated as 

 seen sideways beneath and in ihe middle ; 

 seat of the ocelli about equal to the ante- 

 ocular part in height. • 



H Membrane extending a little beyond the tip of 

 the abdomen. - 



b. Prothorax with acute small tubercles. 



* Head with a spine behind the eyes ; ante-ocular 



part shorter than the post-ocular part. 

 Cheeks not elongated. First joint of the 

 rostrum longer than the second. First joint 

 _ of the antenna; longer than the head and 



prothorax together. Femora with two 

 apical spines ; fore ■ femora somewhat 

 thickened. 



f Post-ocular part of the head very slightly 

 tapering hindward as seen from above and 

 sideways ; ocelliferous part slightly raised. - 



t Post-ocular part of the head as seen from above 

 perceptibly tapering hindward, not tapering 

 in a side view, suddenly straightened at the 

 base beneath ; ocelliferous part not or 

 scarcely raised. Body very long. Scutellum 

 acutely triangular. 



I Prothorax with four hinder spines. Some or all 

 the abdominal segments with a spiue on 

 each apical angle. - - - - 



%l Prothorax unarmed hindward. 



* Femora unarmed at the lips. 



f First and second joints of the rostrum equal in 

 length, or the first longer than the second. 



X Post-scutellum not acutely prominent behind 

 the scutellum. 



§ Head oval, or oblong, or elongated, not gibbous 



beneath. 

 X Ocelliferous part of the head not raised. Legs 

 short; hind femora not reaching the tip of 

 the abdomen. 



o Head almost cylindrical, very slightly tapering 

 hindward; post-ocular part a little longer 

 thau the ante-ocular. Antenna; far from 

 the eyes; first joint longer by half than the 

 head. Eyes of moderate size. Body long. 

 Abdomen slightly widened. Fore femora 

 somewhat thickened. Fore wings sometimes 

 shortened. .... 



oo Head gradually and perceptibly taperiug hind- 

 ward ; post-ocular part hardly twice longer 

 than the ante-ocular. First joint of the 

 antennae as long as the prothorax. First 

 joint of the rostrum as long as the third and 



Callilestes. 



CoSMOLESTES. 



Ricolla. 



DoLDINA. 

 HVGROMVSIES. 



FlTCHIA 



