Bruner : South American Tetrigid^^. 125 



h. Pronotum and \vin,i;s K'n.ntluK' subulate, cxlciKliui; well beyond 

 the tips of the hind femora (Nicaragua) . .nicaraguas Bruner. 

 Ml. Pronotuni and wings abbreviated, not quite reaching tp the 

 apex of the hind femora (Costa Rica). 



nicaraguas brevis Hancock. 

 gg. Legs pale throughout, not annulate with fuscous (Jalapa, Mexico). 



jalapa Hancock. 



dd. Median carina of the pronotuni unicolorous, fuscous; the dorsum finely 



granulosa. Tegmina and wings more or less strongly abbreviated. 



e. Form robust; face, venter and apical two or three segments of the male 



abdomen pallid (Guerrero, Mexico) nigra Morse. 



ee. Form moderately slender; face and abdomen of female at least con- 

 colorous, fuscous (Island of Trinidad, West Indies). 



imperfecta Bruner. 

 AA. Middle of anterior margin of the pronotuni both angulate and provided with a 

 prominent anteriorly projecting spine. 

 b. Dorsum of the pronotum granulose or scabrous, scarcely rugose, without any 

 well-defined supplemental longitudinal carinae.' 

 c. Pronotum and wings more or less strongly abbreviated, scarcely reaching the 

 apex of the abdomen. 

 d. Body and disk of the pronotum finely granulose, scarcely rugose. 

 e. Antennae of normal length. 



/. Size large (length of 9 body 17.5 mm.) (Eastern slopes of Peruvian 



Andes) cuspidala Scudder. 



ff. Size smaller (length of 9 body 12.8 mm.) (Paramba, Ecuador). 



planus Hancock. 

 ee. Antenna; excessively long and slender, fully as long as or longer than the 

 hind femora (Para and Chapada, Brazil). . . . gracilicornis sp. nov. 

 dd. Bodj' and disk of the pronotum rather strongly granulose or even ru- 

 gulose, the rugae gathering into more or less well-defined longitudinal 

 ridges, but in nowise giving the impression of supplemental longi- 

 tudinal carinae (Georgia and Florida) spicata Morse. 



cc. Pronotum and wings fully developed and extending beyond the apex of 

 the ovipositor or even well beyond the apex of the hind femora. 

 d. Surface of the pronotum scabrous, the apex of the pronotal process not 

 quite reaching the tips of the hind femora (British Guiana). 



pulchella Rehn. 

 dd. Surface of the pronotum at most coarsely granulose, some of the granules 

 on the disk gathered into short irregular longitudinal rows. 

 e. Anterior lateral carinae of pronotum parallel (Chapada, Brazil). 



chapadensis sp. nov. 

 ee. Anterior lateral carinae of the pronotum distinctly convergent poste- 

 riorly (Island of Trinidad, West Indies) trinilalis Bruner. 



'The Tetri.x purpurascens Serville may possibly be a Telligidea and belong to this 

 section. (See Hancock, Genera Insectorum, fasc. 48, 1906, 69.) 



