346 OETHOPTEEA. 



sanguineo-couspersa, subtus teretia, inermia. Tibiae intermedia? supra inermes. Seginentum anale cf 

 truncatum. Cerci & teretes, longiusculi, incurvi, apice obtusi. Lamina subgenitalis J brevis, non 

 attenuata, latere carinata, margine postico triangulariter emarginato, lobis triangularibus." 

 6 . Long. eorp. 14; pronot. 4 ; elytr. 19, lat. 4*5; femor. post. 14 millim. 



Bab. Colombia, Ubaque.] 



Group CTENOPHLEBHTES. 



Ctenophlebia, Brunner v. W. Monogr. der Phaneropt. p. 299. 



CTENOPHLEBIA, Stal. 



Phylloptera, Burmeister, Handb. d. Ent. ii. p. 693 (1835) (partim). 



Ctenophlebia, Stal, Ofv. Vet.-Ak. Forh. xxx. 4, p. 41 (1873); Recens. Orthopt. 2, p. 17; Brunner 

 v. W. Monogr. der Phaneropt. p. 301. 



Synopsis specierum. 



a. Elytra recta, elliptico-rhomboidalia, subsymmetrica; margine suturali arcuato ; vena principali 

 parum incurva ; campo marginali ultra medium attenuate (Species Americse meridionali 

 pro prise.) 

 aa. Elytra asymmetrica ; margine costali ultra medium valde incurvo ; margine suturali recto ; 

 vena principali ultra medium apice valde incurva ; campo marginali ultra medium 

 latissimo. 

 b. Vena principalis ramos 3 ad marginem posticum elytri emittens. 



c. Campus marginalis elytri in tertia parte apicali quam in medio latior. 



d. Elytra $ $ modice lata, margine costali apice subrecto vel arcuato. Verticis rostrum 

 a supero visum triangulare, obtusiusculum, sulcatum. Cerci $ valde incurvi, 

 apice haud dilatati. — [peruviana, Brunn. (Peru).] 

 dd. Elytra ? <$ latissima, margine costali apice subsinuato vel subrecto. Verticis 

 rostrum lamellari-compressum. Cerci J elongati, arcuati, apice tumidi, truncati. 

 — 1 . azteca, sp. n. 

 cc. Campus marginalis elytri in medio, et ultra medium seque latus. Verticis rostrum 

 compressum. 

 d. Lamina infra- genitalis <$ brevis, attenuata, margine postico emarginato. — 2. zetter- 

 stedti, Stal. 

 dd. Lamina infra-genitalis <J elongata, apice furcata. — 3. foreli, sp. n. 

 bb. Vena principalis elytri ramos 5 ad marginem posticum emittens. — [multiramosa Brunn. 

 (Brazil).] 



l. Ctenophlebia azteca, sp. n. (Tab. XVI. figg. 17-19.) 



Lsete viridis. Verticis rostrum lamellari-compressum, apice leviter incrassatum, basi subconstrictum (variat 

 tamen haud constrictum, apice haud incrassatum). Articulus primus antennarum basi intus compresso- 

 gibbosus; secundus basi tuberculis 2 minutis rufis instructus. Pronoti discus planus, subconcavus 

 parallelus, margine postice arcuato; lobi laterales altiores quam latiores, infra rotundati, antice haud 

 oblique truncati. Elytra latissima, ante tertiam partem apicalem latiora, margine costali ultra medium 



