HOMOPTERA. 



67 



nubus humeralibus longin acutis ohliquis ascendentibus ; aU vitrei, 

 venis lestaceis ; aniicce testaceo vix tinctce. 



Luteous. Prothorax with large punctures, which are black aloug the 

 dorsal ridge ; the latter is red, and is arnaed in front with an upright acute 

 horn ; humeral horns inclined forward, long, acute, obliquely diverging 

 and ascending; hind part much attenuated towards the tip, which is very 

 acute and extends far beyond the abdomen. Wings vitreous ; veins tes- 

 taceous. Fore wings with a very slight testaceous tinge. Length of the 

 body 6 lines; of the wings 12 lines. 



Colombia. 



Genus CERESA, Amyot et Serv. 

 Ceeesa. insignis. 

 Testacea; prothorax supra •planus, cornnbw duobus lateralibus validis 

 planis apice subrotundatis, ahrupi.e attenuatus, apice peraeutus abdo- 

 men superans ; ala vitrece, venis pallide lestaceis. 

 Testaceous. Prothorax vertical above the head, with a flat dorsal 

 surface, with two stout horizontal lateral horns, whose tips are somewhat 

 rounded; hind part keeled, rather deep at the base, abruptly attenuated 

 hindward and very acute at the tip, which extends somewhat beyond the 

 lip of the abdomen, but not so far as the fore wings. Wings vitreous ; 

 veins pale testaceous. Length of the body 4 lines ; of the wings 8 lines. 



Vera Cruz. 



CeRESA INTEGRA. 



Testacea ; cornua lateralia plana, brevia, vix acuta, postice vix arcuata, 



apice nigricantia, spatio intermedio piano; carina dorsalis valde 



convexa, apicem versus attenuata, abdomen non superans ; alcB vitrea, 



venis pallide lestaceis; anticce apud marginem exteriorem sub- 



teslacecE, 



Testaceous. Prothorax not rising above the lateral horns, very 



convex along the keel. Lateral horns horizoulal, short, hardly acute, 



hardly curved hindward, blackish at their tips; the space between them 



rather flat. Dorsal keel commencing behind the lateral horns, attenuated 



towards the acute tip, which does not extend beyond the abdomen. 



