OF WASHINGTON. 191 



eumorpha (Zaitha) Dufour, 1863, Ann. Soc. Ent. France, (4), 



in, p. 386. 



Habitat : Brazil ; Argentina. 

 difficilis (Zaitha) Dufour, 1863, Ann. Soc. Ent. France, (4), in, p. 391. 



Habitat : Venezuela ; Dutch Guiana, 

 dilatatum (Zaitha) Dufour, 1863, Ann. Soc. Ent. France, (4), in, p. 387. 



Habitat: Brazil. 

 discretum (Belostoma) Montandon, 1903, Bull. Mus. Hist. Nat. Paris, 



No. i, p. 22. 



Habitat : Brazil ; Paraguay ; Argentina. 

 elegans (Zaitha) Mayr, 1871, Verh. zool.-bot. Ges. Wien, xxi, p. 415. 



Habitat : Uruguay ; Paraguay ; Argentina. 

 ellipticum (Belostoma) Latreille, 1833, Ins., etc., in Humboldt et 



Bonpland (pt. 2), p. 105, pi. 39, fig. 4. 

 Habitat : Texas ; Mexico. 

 foveolatum (Zaitha) Mayr, 1863, Verh. zool.-bot. Ges. Wien, xm, 



P- 355- 



Habitat: Guiana (French); Brazil; Paraguay; Argentina. 

 flumineum (Belostoma) Say, 1832, Desc. Het. Hem., p. (Fitch 



reprint, p. 809) ; 1859, Compl. Wtgs., i, p. 364. 

 micrantula (Zaitha) Uhler, 1895, in Gillette and Baker, Hem. 



Col., Bui. 31, Colo. Agr. Exp. Sta., p. 63.* 



Habitat: Quebec; New York; New Jersey; Pennsylvania; District 

 of Columbia; North Carolina; Georgia; Ohio; Indiana; Illi- 

 nois; Michigan; Wisconsin; Tennessee; Louisiana; Colorado; 

 Arizona. 



fusciventris (Zaitha) Dufour, 1863, Ann. Soc. Ent. France, (4), in, p. 

 389; Champion, 1901, Biol. C.-Am., Hem.-Het., 11, pi. 21, figs. 

 23, 233. 

 Habitat: Arizona; Texas; New Mexico; California; Mexico; 



Guatemala; Honduras; Costa Rica, 

 gestroi (Belostoma) Montandon, 1900, Ann. Mus. Civ. Gen., (2), xx, 



(XL), p. 537. 



Habitat: Paraguay; Argentina. 

 martini (Zaitha) Montandon, 1899, Bull. Mus. Hist. Nat. Paris, No. 4, 



p. 170. 



Habitat : Patagonia. 

 mayri (Zaitha) Berg, 1884, Ad. et Em. ad Hem. Arg., p. 120. 



eumorpha (Zaitha) Berg, 18/9, Ann. Soc. Cient. Arg., vin, p. 71 



(not Dufour). 



Habitat: Venezuela; Guiana; Brazil; Bolivia; Argentina, 

 micantulum (Zaitha) Stal, 1860, Svensk. Vet.-Ak. Handl., (2), No. 7, 

 p. 84. 



* Original specimen seen and redetermined by J. R. T. B. 



