816 CATALOGUE OF 



32. Tettix lobclata. 

 lobulata, Stal, Eug. Resa, 347. 



Rio Janeiro. 



33. Tettix hastata. 



Mas. Picea, gracillima ; vertex subcarinalus, fasligio unispinoso ; frons 

 fulva, carinis quatuor abbrevialis unaque anteriore furcata ; pro- 

 thorax subtricarinatus, anlice sub tuber culatus laminis duabus 

 lateralibus, postice lanceolalus, abdominis apicem longissime superans ; 

 pedes fulvi, tibiis quatuor anterioribus fusco fasciatis ; alee poslicce 

 diaphance, vitta coslali margineque exteriore nigricanlibus. 



Male. Piceous, very slender. Head and prothorax with a slight 

 keel. Head much narrower than the prothorax ; tip of the vertex forming 

 a short spine ; front tawny, with four short keels and with an anterior 

 keel which is furcate towards the face. Prothorax lanceolate hind- 

 ward and extending for two- thirds of its length beyond the tip of the abdo- 

 men ; two slight lateral keels, which diverge from the fore border to the 

 base of the fore wings and converge from thence to the tip; fore part 

 slightly tuberculate and with the usual transverse impressed lines. Pectus 

 and legs tawny ; four anterior tibiae with brown bands. Fore wings 

 rudimentary. Hind wings pellucid, ample, with a blackish costal stripe 

 and with a blackish tinge along the festooned exterior border; veins black. 

 Length of the body 7 lines ; expansion of the hiud wings \2\ lines. 



It is much more slender than T. cnemidota, and the appendage on 

 each side of the prothorax is much smaller. 



a. Demerara. 



34. Tettix attenuata. 



Foem. Picea, gracillima, subtus fulva ; fastigium acute spinosum; frons 

 carinis quatuor abbreviatis unaque anteriore furcata; antenna 

 testaceo fasciata ; prothorax subtricarinatus, antice subrugulosus, 

 laminis duabus lateralibus, postice lanceolatus, abdomen longissime 

 superans ; pedes fulvi, femoribus fusco variis, tibiis quatuor anteriori- 

 bus fusco fasciatis ; aloe posticce cinerece, costa nigricante. 



Female. Piceous, very slender, tawny beneath. Head much narrower 

 than the prothorax ; tip of the vertex forming a small acute spine ; front 

 with four short keels and with an anterior middle forked keel. Eyes very 

 prominent. Antenna? very slender, testaceous at the base and with a few 

 testaceous bands. Prothorax with three slight keels, which diverge from 

 the fore border to the base of the fore wings and converge from thence to 

 the tip ; fore part slightly rugulose, with the usual transverse impressed 

 lines; hind part lanceolate, compressed, extending for about two-thirds of 

 its length beyond the tip of the abdomen. Legs tawny ; femora partly 

 brown ; four auterior tibiae with brown bands. Fore wings rudimentary. 



