552 



FAMILY VII. TETTIGONIIDJ3. THE KATYDIDS. 



c. Lower outer carina of hind femora with 3 to 5 spines beneath; 

 lateral lobes of pronotum slightly longer than deep; oviposi- 

 tor more than two-thirds the length of hind femora (Fig. 184, 

 .) 253. MINOR. 



cc. Lower outer carina of hind femora very rarely armed beneath; 



lateral lobes of pronotum deeper than long (Fig. 184, a.) 

 d. Ovipositor very slender, distinctly falcate, but little more, or 

 even less, than half as long as hind femora (Fig. 184, a) ; 

 males larger, (length of body 17 or more mm.) and more 

 robust. 



e. Face with a dark reddish-brown stripe down its center; 



hind femora more robust and relatively shorter, 14 17 



mm. 254. CONCINNUM. 



ee. Face green without a median brown stripe; hind femora 



relatively longer and more slender, 16 18 mm. 



254a. CAMPESTRE. 



eld. Ovipositor distinctly broader and much straighter, nearly 

 three-fourths the length of hind femora (Fig. 184, f) ; 

 males smaller (not over 16 mm.) and more slender. 



254b. DELICATUM. 



Fig. 183. Dorsal and lateral outlines of left cercus of male Orchclimum (X 9)- a . 

 minor; b, concinnum; c, supcrbnm; d, fidiciniuni : e, militarc ; f, volantum; g, bradleyi. 



(After R. & H.) 



&b. Humeral sinus very faint or obsolete (Fig. 186, b) ; tooth of male 

 cercus arising from the lower face of shaft and strongly re- 

 curved toward base of latter (Fig. 183, c) ; larger and more ro- 

 bust, length of body, 22 25 mm.; ovipositor broad, but slightly 

 more than half the length of hind femora. 255. SUPERBUM. 



aa. Apical portion of cercus distinctly and strongly tapering to a subacute 

 apex (Fig. 183, dg) ; tooth of cercus, except in volantum, either 

 arising from the inner lower face of shaft or directed strongly back- 

 ward; upper margin of ovipositor, except in fidicinium, straight or 

 nearly so. 



f. Ovipositor two-thirds or more the length of hind femora; specu- 

 lum of stridulating field of male but slightly longer than wide 

 (Fig. 187, a) ; form more slender. 



