274 ORTHOPTERA OF NOVA SCOTIA. — PIERS. 



aa. Median carina of pronotum less prominent and in female alwaj-s notched 

 by one or more sulci. 

 b. Median carina of pronotum notched bj' onlj- one sulcus. 



c. Disk of hind wing nearly transparent, not distinctly bordered 

 bj' black. * . 



d. Disk of pronotum roof-shaped, front margin angulate. 

 (Hind wings transparent, yellowish at base, remaining 

 two-thirds smoky, paler at apex, a dark bar along middle 



of front margin) [Chortophaga*]. 



dd. Disk of pronotum flat, front margin truncate. 



e. Median carina of pronotum prominent, higher in front 

 than behind. (Hind wings transparent yellowish at 

 base, outer half smoky and apex darker) 



[ExCOPTOLOPHUSt]. 



ee. }kleiian carina of pronotum low, of equal height 

 throughout, fainth' notched b}' principal sulcus. 

 (Hind wings transparent with dark ner\'Tiles.) 



Camntjla, p. 274. 



cc. Disk of hind wing opaque, coloured (red or yellow bor- 

 dered with fuscous, or black bordered with yellow). 

 f. Pronotum with lateral carinse extending in front of prin- 

 cipal sulcus and not cut by it; disk of pronotum usually 

 with numerous tubercles; body robust, large. (Hind wings 

 red or yellow, margined with fuscous). . .Hippiscits, p. 277. 

 ff. Pronotum ^ith lateral carinse extending only to principal 

 sulcus and cut by it; its disk with few if any tubercles; body 

 slender, smaller. (Hand wings black with yeUow border.) . . 



DiSSOSTEIRA, p. 278. 



bb. Median carina of pronotum notched by tico sulci, front notch often 



less distinct than hind one; hind wings with two or three radial veins 



greatly enlarged. (Hind wings yellow, with a dark median transverse 



band 'widening behind.) Circotettix, p 281. 



Group (Edipodini. 



10. Camnula pellucida(Scudder). Clear-wingf.d Locust. 



Camnula pellucida. Piers, Trans. N. S. Inst. Sc, ix, 



214 (1896); Halifax and Cow Bay (Hx. Co.).— Good- 



erham, Proc. Ent. Son. X. S. for 1916, 26, 27 (1917) ; 



Col., Kings, Hints, Ann., Digby, Yar., Queens, 



Vi?t., Inver., and Cumb. Cos. 



* Chnrlophara viridifafciila (De Geor). Green-striped Locust. — .\bundant everywhere 

 in New England and generally distributed in southern Ont. and may pos.sibly yet bp taken in 

 southwestern Nova Scotia. Median carina of pronotum cut by principal sulcus; pronotum 

 disk roof-shaped, sides sloping, dorsal front margin angulate; and hind-wings transparent, 

 yellowish at base, with apical two-thirds smoky, paler at apex, and a dark bar aloni; middle 

 of front margin. General colour is green or brown. Length, male, 17-20 mm.; female 22-32 

 mm. 



_t Enroplolophws sorlidus (Burmeister). Clouded Locust. — Very common throughout 

 New England and occurring north to Montreal and southern Ont., and may possibly yet 

 be taken in southwestern Nova Scotia. Colour ru.sty-yellow or brown, mottled with darker 

 or lighter shades of brown. Disk of pronotum 6at, the dorsal front margin truncate; median 

 carina of pronotum prominent, higher in front, distinctly notched by prini-ipal sulcus; hind 

 wingA transparent yellowish at base, outer half smoky, darker at apex. Length, male, 20 mmt 

 femalt, 24-35 mm. 



