PSI.NIDIA. 161 



b. Lobi leterales pronoti angulo posticovalde aruminato. 

 c. Alae fusco-fasciatae, margine antico partim fusco. 

 </. Alarum fascia fusca lata, antice haud angustata, vittam lwmeralem elongatam emit- 

 tens marginemque posticum includens. Elytra tota maculosa. Antennae ,p femoris 

 postici longitudine. Femora postica margine supero subsinuato. 



e. Alse basi rubrae 2.pardalina, n. 



e,e. Ahe hasi flava? 3.macuIosa, n. 



i/,'/. Alarum fascia fusca in campo postico lata, semilunaris, in campo antico ohlique 

 angustata, evanescens, cum vitta humerali in arcum continua, vitta humerali 

 breviore. Elytra in campo humerali nigro-hifasciata. Antennae breviores. Femora 

 post. margine supero subexciso. 



e. Caput et pronotum fusco et pallido fasciatavel maculata i.fuscifrons, St. 



e,e. Prouotum albido-bifasciatum. Alarum fascia fusca antrorsum latior, per maculam 



vitream grandem apicis excisa 5.capito, St. 



c,c. Alae hyalinae, venis aliquibus infuscatis, apice fusco-inquinato 6.kiowa, Th. 



b,b. Species minus complete notae; lohis lateralihus pronoti angulo minus acuto. 



c postice oblique truncato 7 .borealis, n. 



c,c. postice acute rectangulo 8 .mexicana, n. 



Subgenus Psinidia, St. 



1. P. fenestralis. Serv. — OEdipoda feneslralis, Serv. Orlh. 1839, 726, 8; 

 Thomas, Acrid. 118; Stal, Recens. 1, 133 (var. alis cinnabarinis). — Locusta 

 euccrata, Harris, ins. lnj. 180. — <JEd. eucerata, Uhler, Edit. Harris, 1862, 

 180; Thomas, Acrid. 119. 



Fulvo-fuscescens. Cosla facialis infere lata, ad superum convergens, marginibus 

 rectis, ad verticem Q subacuminata, r^ acuminata. Verticis scutellum lanceolato- 

 acuminatum. — Pronolum sparse granosum, lamellari-cristatum; ejus crista promi- 

 nula, subrecta, tota longitudine a3quialta, in prozona profunde bilobata vel biserrata. 

 Processus posticus acutangulus, marginibus nigro-notatis. Lobi laterales angulo pos- 

 lico modice oblique producto, apice acuto vel oblique truncato. — Elytra elongata, 

 angustissima, apice haud altenuata, dimidio costali et margine suturali griseo-punc- 

 tata; areae intercalatas postica et ulnaris in longitudinem densissime venosae, strigatae. 

 Alae disco basali roseo vel miniato, fascia lala arcuata fusca, extus excisa lobos apicis 

 2-3 hberante, marginem posticum includente; parte apicali vitrea margine antico 

 fusco vel maculoso, Q maculis nonnullis in venis, tf lobis apicahbus 2 fuscis. — 

 Tibise post. (in desiccalis) fusco et flavido annulatse. — Long. Q 23, (j 1 18; 

 El. Q 25, (^f 19 mill. — Var. — a. Prozonse crista per sulc.um anlicum parum 



TO.ME XXVIII. 21 



