NO. 1461. LIST OF PARA G UA TAN LOCUSTS—BE UNER. 625 



Length of body, male, 27, female, 37; of pronotum, male, 4.95, 

 female, 6.75; of tegmina, male, 22.5, female, 30; of hind femora, mal« 

 14.5, female, 19; of antennae, male and female, 10-13 mm. 



Ti/jje.—Csit No. 9728, U.S.N.M. 



Habitat. — Sapuca^', Paraguay, in December. 



HYALOPTERYX EXAGGERATUS Burr. 



Hyalopteryx exaggeratus Burr, Tran.s. Ent. Soc. Lond., 1902, Pt. 2, p. 183. 



This insect comes from the adjoining parts of Brazil and Bolivia. It 

 may be found in Paraguay as well. 



HYALOPTERYX GRACILIS Giglio-Tos. 



Hyalopterifx gracilis Gi(iLU)-Tos, Boll. Mus. Zoul. Anat. Torino, No. 302, XIT, 

 1897, p. 22. 



This species was described from the Bolivian Chaco which borders 

 on Paragua3\ It is therefore likely to be found in Paraguay as well. 



TRUXALIS Linneeus. 



TRUXALIS BREVICORNIS (Linnaeus). 



Gryllus brevicornis LiiNNMVs, Cent. Ins. Par., 1763, p. 15. 

 Truxalis breiicornis Fabricius, Syst. Ent., 1775, p. 279. 

 Acridium ensicornum De Geer, Mem. Ins., 1773, p. 449, pi. xlii, figs. 1, 2. 

 Opsomala pundipennis iiERViLhK, Hist. Nat. Ins. Orth., 1838, p. 590. 

 Truxalis viridala Palisot Beauvois, Ins. Afr. and Amer. , 1807, p. 80, pi. in, fig. 4. 

 Oxycoryphus hurkhartianus Saussure, Rev. et Mag. Zool., 1861, p. 315. 

 Truxalis adspersa Blanchard, Voy. Amer. Merid., VI, Pt. 2, 1837-43, p. 216, 

 pi. XXVII, fig. 2. 



Several specimens are at hand from Asuncion where they were 

 collected by the writer, Giglio-Tos also reports it from the same 

 locality. There are also a number of specimeris before me that were 

 collected at Sapucay by W. T. Foster. 



It is one of the most widely di.stributed species of American locusts, 

 being found on both continents between the fortieth parallels of latitude. 



EUTRYXALIS Bruner. 



EUTRYXALIS MINOR (Giglio-Tos). 



Metaleptea. minor Gkjlio-To.s, Boll. Mus. Zool. Anat. Torino, No. 302, XII, 1897, 



p. 22. 

 Eutryxalis minor Bruner, Locusts of Argent., 1900, p. 24. 



No specimens of this insect are at hand that were taken in Para- 

 guay, but it was collected at Asuncion and in the adjoining parts of 

 the Bolivian chaco by Dr. A. Borelli. 

 Proc. N. M. vol. x'^x—OQ 10 



