Urunkr : South American Tf-trigid-k. 97 



Genus Amorpiiopus Serville. 



Amorphopus Siiuvii.i.ic. Hist. Nat. Ins. Orthopt., 1839, 756. — Bolivar, Ann. Soc. 



Ent. Belg.. XXXI, 1887, 250, part. — Hancock, Genera Insectoruin, fasc. 48, 



1906, 36-37. 



The species of this genus as at present restricted are at home in the 

 Neotropical region of America. Four or five forms are recognized. They 

 may be separated by the subjoined table. 



Synopsis of the Species of Amorphopus. 

 A. Posterior extremity of the pronotum attenuate, considerably surpassing the 

 apex of the abdomen and tips of the hind femora. 

 b. Size smaller (9, 13-14 mm.). 

 c. Dorsum of the pronotum grayish, smooth; the median carina of the pro- 

 notum back of the humeri somewhat compressed. . . .griseus Bolivar. 

 cc. Dorsum of the pronotum fusco- variegated, rugulose, the median carina 



not sinuose nolahilis Serville. 



hb. Size larger (9, 15. 5-16 mm.). 



c. Color above fuscous conspersed with white cnemidotiis Burmeister. 



cc. Color above grayish, tessellated with fuscous caiman Saussure. 



AA. Posterior extremity of pronotum not extending beyond the tip of the abdomen. 

 Tegmina and wings hidden or aborted testudo Saussure. 



Amorphopus griseus Bolivar. 



Amorphopus griseus Boliv."ir, Ann. Soc. Ent. Belg., XXXI, 1887, 251-252. — 

 Hancock, Genera Insectorum, fasc. 48, 1906, 37. 



Habitat. — Upper Amazon, South America. 



Amorphopus notabilis Serville. 



Amorphopus notabilis Serville, Hist. Nat. Ins. Orthopt., 1839. 757, pi. 2, figs. 20, 

 2oa-6. — B0LIV.A.R, Ann. Soc. Ent. Belg., XXXI, 1887, 252. — H.\NCOCK, Genera 

 Insectorum, fasc. 48, 1906, 37, pi. 4, fig. 38. 



Habitat. — This insect has been recorded from Brazil, Peru, Bolivia, 

 Venezuela, Guiana, and the island of Trinidad. The present collection con- 

 tains specimens taken at Para and Benevides, Brazil, during the months 

 of June and July. Collection Carnegie Museum, Pittsburgh. 



Amorphopus cnemidotus Burmeister. 



Telrix cnemidotus Burmeister, Ilandb. Ent., II, 1838, 650. 



Paratellix cnemidotus Bolivar, Ann. Soc. Ent. Belg., XXXI, 1887, 274. — Giglio- 



Tos, Boll. Mus. Zool. Anat. Comp. Torino, XII, no. 302, 1897, 28. 

 Amorphopus cnemidotus Hancock, Genera Insectorum, fasc. 48, 1906, 37. 



Habitat. — Brazil. 



Amorphopus caVman Saussure. 

 Amorphopus caiman Saussure, Orthopt. Nov. Am., ser. 2, 1861, zi- 



Habitat.— ^rzizW. 



