324 ORTHOPTEEA. 



2. Ectemna mexicana, sp. n. (Tab. XV. figg. 28, 29, <s .) 



<S . Ectemnce carinatce simillima ; paulo graeilior. Margo anterior verticis a supero utrinque obliquus, saltern 

 minus transversus. Pronotum paulo magis compressum ; vitta albida utrinque ab oculis supra canthos 

 pronoti producta. Elytrorum margo costalis basi longiuscule rubescens. Processus supra-anales in dimidia 

 parte apicali compressi, ampliatione elongato-ovata, apice subrotundato, margine supero arcuato, margine 

 infero recto, dente subtili terminato. Cerci subsigmoidales, apice paulum arcuati, unguiculo nigro 

 terminati. Lamina supra-analis trigonalis. Lamina infra-gen italis apice quam in E. truncata latior, 

 margine postico inter angulos subrecto. 



cf . Long. corp. 24*5 ; pronot. 5 ; elytr. 35*5, lat. 6*8 ; femor. post. 22'5 millim. 



Figures. — Fig. 28, tbe male insect. — Fig. 29, the end of the abdomen, from beneath (not exact — the lamina 

 infra-genitalis is wanting and the cerci ought not to be incrassated at the end *). 



Hab. Mexico, Teapa in Tabasco (H. H Smith). 



3. Ectemna crenata, sp. n. 



5 . Ectemna} dumicolce simillima, at paulo minor. Yerticis rostrum basi supra majus, trigonale, minus 

 truncatum, quam margines verticis utrinque latius ; margo anterior verticis itaque utrinque obtusangu- 

 latim incisus ; ejus trigonum medium latitudinem marginis utrinque sequans vel latius. Elytra angustiora. 

 Ovipositor margine supero distinctissime crenato. 



$ • Long. corp. 20 ; pronot. 4-5 ; elytr. 34-5, lat. 6 ; femor. post. 21-5 ; ovipos. 6 millim. 



Hab. Mexico, Cordova (Saussure). 



Bninner v. Wattenwyl (Monogr. Phaneropt. p. 252) doubtfully includes this specimen 

 under E. carinata. 



[4. Ectemna carinata, Brunn. 



Ectemna carinata, Brunn. v. W. Addit. zur Monogr. der Phaneropt. p. ]31 (cT)- 



S . '"' Carina obliqua loborum deflexorum pronoti atro-lineata, linea alba opposita. Elytra margine antico 

 ipso atrato." Appendices supra-anales acuminati. Lamina supra-analis triangularis. Cerci longi, teretes, 

 sigmoidei, apice truncati. Lamina infra-genitalis brevis, rotundato-emarginata, sty lis minimis instructa- 



S . Long. corp. 23 ; pronot. 4'5 ; elytr. 42, lat. medio 6 ; femor. post. 24 millim. 



Hab. Brazil, Fonteboa. 



Differs from the preceding, E. crenata, in the form of the supra-anal appendages. It 

 is a question if the Colombian female belongs to the same species. 



Ectemna carinata, Brunn. v. W. Monogr. der Phaneropt. p. 251, t. 5. fig. 76 ( ? ) (part.). 



$ . " Tota viridis. Vertex albo-limbatus. Elytra margine antico ipso basi nigro. Femora antica in latere 



interno, necnon tibiae antieae basi fuscse. Ovipositor marginibus et apice fuscus." 

 $ . Long. corp. 26; pronot. 5*5; elytr. 44, lat. in medio 7 - 5; femor. post. 30; ovipos. 7 millim. 



Hab. Colombia (Brunn. v. W.).] 



[PLAGIOPLEURA, St&l. 



Plagiopleura, Stal, Ofv. Vet.-Ak. Forh. xxx. p. 41 (1873) ; Recens. Orthopt. 2, p. 15 ; Brunner v. 

 W. Monogr. der Phaneropt. p. 252. 



Drawn from a specimen in a bad state of preservation. 



