JAMES A. G. REHN AND MORGAN HEBARD 319 



F. Disk of pronotum with lateral angles siibcarinate and that 

 only caudad, rounded cephalad. Stridulating vein of male 

 tegmina proportionately narrower, sutural margin of teg- 

 mina distad of anal field in male and female straighter. 

 Ovipositor shorter; when compared with caudal femora, 



weaker floridana floridana R. & H. 



FF. Disk of pronotum with lateral angles more decided and an- 

 gulate almost or quite continuously. Stridulating vein 

 of male tegmina proportionately broader; sutural margin 

 of tegmina distad of anal field in male and female more 

 arcuate. Ovipositor longer; when compared with caudal 



femora, heavier floridana carinata new subspecies 



DD. Subgenital plate of male with distal margin truncate or sub- 

 truncate, never V-emarginate. (Ovipositor elongate, serrula- 

 tions well spaced. Lateral angles of pronotal disk subangulate 



caudad, broadly rounded cephalad) huasteca (Saussure) 



BB. Size small. Caudal femora alwaj's slightly and generally decidedly 

 surpassing apices of tegmina. Ovipositor deeper distad of the 

 middle than at base. (Subgenital plate of male with distal margin 



truncate) uhleri StS,l 



AA. Humeral sinus of lateral lobes of pronotum less impressed (and not 

 rectangulate) or subobsolete. Caudal margin of pronotal disk much 

 less arcuate. Individual metasternal lobes transverse. (Tegmina 

 rarely over two and four-fifths times as long as greatest width.) 

 B. Form more elongate, slenderer. Wings somewhat surpassing apices of 

 tegmina. Disk of pronotum relatively narrower. Lateral lobes of 

 pronotum relatively narrower dorsad. 



rotundifolia rotundifolia (Scudder) 



BB. Form less elongate, more robust. Wings never surpassing apices of 



tegmina. Disk of pronotum relatively broader. Lateral lobes of 



pronotum relatively broader dorsad. 



C. Form not decidedly robust. Tegmina more elongate, narrower 



and not decidedly coriaceous in texture. Dorsum of pronotum 



not unusually broad. Caudal femora quite elongate, moderately 



inflated proximad rotundifolia parvipennjs Stdl 



CC. Form decidedly robust. Tegmina less elongate, broader and 

 decidedly coriaceous in texture. Dorsum of pronotum un- 

 usually broad. Caudal femora not decidedly elongate, proxi- 

 mal inflation relatively weak, .rotundifolia iselyi Caudell 



Amblycorypha oblongifolia (DeGeer) (PI. XI, fig. 32; pi. XII, figs. 41 

 and 49.) 



1773. Locusia oblongifulia DeGeer, Mem. Hist. Ins., iii, p. 445, pi. 

 xxxviii, fig. 2. [Pennsylvania.] 



1891. Amblycorypha scudderae Bruner, Can. Ent., xxiii, p. 73. [Eastern 

 Nebraska.] 



It is quite evident from DeGeer's figure that the specimen in 

 his possession belonged to the present species, the form of the ovi- 



TRANS. AM. ENT. SOC, XL. 



