HEMIPTEBA HKTEROPTERA. 119 



\ Fore lobe of the prothorax with four stout conical 

 spines. Cheeks obtuse at the tips. 



§ Fore lobe of ihe proihorax with four yellowish spines. 

 Side angles of ihe hind lobe with a long spine. 

 Spine ol the sculellum erect, very long. Antennae 

 black. ------ luteoguttatus. 



§§ Fore lobe of the proihorax with four black spines. 

 Side angles of the hind lobe with a short spine. 

 Spine of ihe scutellum erect, rather short. First 

 and second joints of the autenna?, or at least the 

 first, yellowish. - - - ater, opaciventris. 



X\ Fore lobe of the prothorax with four small tubercles, 

 which are alike it in colour, those in the middle 

 sometimes obsolete. Cheeks elongated into a 

 spine. Side angles of the hind lobe of the pro- 

 thorax attenuated into a short yellowish spine. 

 Spine of the scutellum short, stout, erect. - nitidiventris, 



angularis. 



ff Fore lobe of tlie prothorax with two lobes of variable 

 length in the disk before the middle, and very 

 frequently with a spine or tubercle on each side. 

 X Ante-ocular part of ihe head longer than the post- 

 ocular part. Cheeks acutely elongated at the 

 tips in front. Fore lobe of the prothorax with 

 two slender long or rather long spines in the disk. 

 Sides behind the middle with a distinct small 

 tubercle. Side angles of the hind lobe with a 

 long spine. Spine of the scutellum erect, very 

 long. Spines of ihe prothorax yellowish, or at 

 least so at the base. Fore femora unarmed. 

 Spongy furrow of the fore tibiae long, one-third or 

 a little less than half as long as ihe tibia?. 

 § Spine of the sculellum at the base, spots of the head, 

 of the thorax, of the pectus and of the under side 

 of the abdomen black. - - - - festivus. 



§§ Head, thorax, pectus and under side of the abdomen 

 black, unspotted. Spine of ihe sculellum black, 

 pitchy or yellowish pitchy at the tip. - - tlavispinus. 



XI Cheeks obtuse, rounded on the inner side in front. 

 § Fore femora benealh unarmed or very minutely 

 spinulose. 



X Spongy furrow half as long as the fore tibia?. - ochripennis. 



XX Spongy iurrow less than half as long as the fore 

 tibia?. 

 o Fore wings various in colour; membrane black or 

 brown, or brownish yellow ; veins like the wings 

 in colour. 



-»■ Head and rostrum brown or black, alike in colour. 



++ Spines of the proihorax and ol the sculellum black 

 or blackish piceous, alike in colour. Fore wings 

 testaceous or wilh testaceous stripes. 



«" Antenna? black; second joint paitly yellowish white 

 or yellowish testaceous. Discul spines of the fore 



