104 



II. AMBLYCORYPHA, Stal (1ST.'!.) 



size medium ; wing covers slightly expanded in the middle, regularly 

 rounded at the ends, a little shorter than, or but slightly exceeding, the 

 posterior femora; vertex broad, deflexed but not compressed, without 

 spines; eyes elliptical ; stridulating organ of male, brownish, opaque, trav- 

 ersed by a strong green cross vein ; ovipositor broad, of medium length, 

 curved gradually upwards from the middle, obtuse or rounded at the end, 

 and with the apical half sharply and strongly serrate on both edges ; anal 

 plates of male not prolonged. 



Seven species of this genus, which is confined to North America, have 

 been described from the United States. < )f these, three have been found 

 in Indiana. 



a. Tegmina about 37 mm: in length; exceeding the tip of posterior 

 femora. 



5. Amblycorypha oblongifqlia, iDeGeer.i The Oblong Leaf-winged 

 Katy-did. 

 Locusta oblongifolia, DeGeer, " Mem., III., 1873, 445, pi. 38, fig. 2." 

 PhyUoptera oblongifolia, Burmeister, Handbuch der Eat., II., 1838, 693. 

 Harris, Ins. Inj. to Veg., 1862, 159. (Text only.) 

 Scudder, Bost. Journ. Nat. Hist., VII., 1862, 444. 

 Id., Distb. Ins. in N. Hamp., 1874, 366. 

 Id., Am. Encyc. Ed., 1881, VIIL, 170.(Text only.) 

 Bath von, l*. S. Agr. Bep., 18(12, 382. 

 Thomas, Trans. 111. St. Agr. Soc, V., 18(>5. 445. 

 Amblycorypha oblongifolia, Biley, Stand. Nat. Hist., II., 1884, 188. 



Bruner, Bull. Washb. Coll. Lab. Nat. Hist., 



I., 1886, 195. 

 Comstock, Int. to Entom., I., 1888, 116. 

 Fernald, Orth. N. Eng., 1888, 21. 

 McNeill, Bsyche. VI., 1891, 21. 

 Scudder, Bep. Ent. Soc. Ont., NNIIL, 1892, 

 68. (Song of.) 

 The largest of the three species occurring in the state, measuring about 

 45 mm. to the end of the wing covers, which are 3.3 times as long as wide. 

 Wings exceeding the wing covers by 6.5 mm. Anterior margin of prono- 

 tum much narrower than the posterior, the lateral carinas sharply defined. 

 Inner, lower carina of posterior femora armed with ten or more rather 



