ARETHA A.— AMAURA, 321 



Arethaa gracilipes, Stal, Sv. Vet.-Ak. Handl. iv. no. 5, p. 55 ; Brunn. v. W. Monogr. der 

 Phaneropt. p. 235. 1, t. 5. fig. 71. 



Hab. Noeth America, Texas, Arizona. 



2. Arethsea constricta, Brunn. 



Arethcea constricta, Brunn. v. W. Monogr. der Phaneropt. p. 236. 3. 

 Hab. Noeth America, Texas.] 



Group PLAGIOPLEURITES. 



Plagiopleura, Brunner v. Wattenwyl, Monogr. der Phaneropt. p. 247. 



Two new genera being now added to this group it is necessary to give a fresh 

 synopsis of the whole of them. 



Synopsis generum. 



I. Ely trorum venae humeralis et discoidalis plus minus disjunctse; vena media in marginem 

 posticum exeuns. 

 2. Tibiae anticae supra inermes. Pronotum laevigatum. Lamina infra-genitalis <£ brevis, 

 ineisa. — Amaura, Brunn. 

 2, 2. Tibise anticae supra, infra tympanorum ampliatione, spinula minuta armatae. Pronotum 

 opacum vel corrugatuin. Lamina infra-genitalis £ longior, attenuata, fissa. $ . Ovi- 

 positor apice rotundatus. — Ceraia, Brunn. 

 1, 1. Elytrorum venae humeralis et discoidalis contiguae, tantum apice disjunetae. 



2. Vena media elytri haud deflexa in apicem elytri exeuns. Ovipositor valde incurvus. 

 3. Ovipositor subito incurvus, acuminatus, marginibus totis crenulatis. 



4. Vertex antice carinato-marginatus, apice angulato-deflexus. Vena media elytri non 

 furcata, cum vena ulnari per venulam obliquam conjuncta. — Ectemna, Brunn. 

 4, 4. Vertex antice obtusus, apice horizontalis. Vena media elytrorum furcata, vel sicut 

 in gen. Ectemna cum vena ulnari conjuncta. — [Plagiopleura, Stal.] 

 3, 3. Ovipositor valde arcuatus, apice rotundatus, subtus apice, supra fere tota longitudine 

 crenulatus. Vena media haud furcata, a vena ulnari libera. — Godmanella, gen. nov. 

 2, 2. Vena media elytri furcata ad marginem posticum deflexa. 



3. Rostrum verticis cum fastigio frontis haud contiguum. Lamina infra-genitalis $ 

 longissime furcata, stylis grandibus instructa. — Chloroscirtus, gen. nov. 

 3, 3. Rostrum verticis cum fastigio frontis contiguum. Lamina infra-genitalis <$ ampla, 

 stylis instructa. — [Parableta, Brunn.] 



AMAURA, Brunn. 

 Amaura, Brunner v. W. Monogr. der Phaneropt. p. 247 (1878). 



A South-American genus not previously recorded from Central America. 



biol. centb.-amee., Orthopt., November 1897. 2 Tt 



