HEMIPTERA-HETEROPTERA. 9 
BELOSTOMA. 
Latreille, Gen. Crust Ins. iii, 144, 1807. 
Amorgius Stal, Hem. Afric. iii, 179, 1865. 
americanum Leidy, Journ. Acad. Phila. (2), i, 58, 1847.—U. S. 
litigiosum Duf., Ann. Soc. Ent. France, 1863, 383. 
angustipes Mayr, Verh. zool.-bot. Ges. Wien. 1871, 427; Champ., 
Biol. Cent. Amer. Rhynch. ii, pl. 22, fig. 5—Calif. 
annulipes Her.-Schfr., Wanz. Ins. viii, 28, 1848; Mayr, Verh. zool.- 
bot. Ges. Wien, 1871, 424; Montandon, Ann. Soc. Ent. Belg. 
1896, 514.—W. States. 
ruficeps Dufour, Ann. Soc. Ent. France, 1863, 382. 
signorett Dufour, ibid. 
obscurum Dufour, Ann. Soc. Ent. France, 1863, 383.—E. States. 
grisea Mayr, Verh. zool.-bot. Ges. Wien. 1871, 427. 
uhleri Mont., Ann. Soc. Ent. Belg., 1896, 513 (1897).—U. S. 
americanum Howard, Insect Book, pl. xxix, fig. 25, 1902. 
BENACUS, 
Stal, Ofr. Vet. Akad. Forh. xix, 203, 1862. 
griseus Say, Het. New Harm. 38, 1832 (Selostoma); Compl. Writ. i, 
365, 1859; Riley, Proc. Ent. Soc. Wash iii, 86, 1895.—U. S. 
haldemanum Leidy, Jour. Ac. Phila. (2) i, 1847, 66 (Belostoma). 
impressus Hald., Pr. Ac. Nat. Sci. Phil., 1852, 364.(elostoma). 
harpax Stal, Ofr. Vet. Akad. Forh xi, 240, 1854. 
distinctum Dufour, Ann. Soc. Ent France, 1863, 382. 
ZAITHA. 
Amyot et Serville, Hémipt. 430, 1843. 
Perthostoma Leidy, Jour. Acad. Phila. (2) i, 59, 1847. 
anurus Her. Schf., Wanz. Ins. viii, 26, 1848 (Dizplonychus).—W.S. 
cupreomticans Stal, Ofr. Vet. Akad. Forh., 1854, 240. 
subspinosa Duf., Ann. Soc. Ent. France, 1863, 38. 
aurantiacum Leidy, Jour. Acad. Phila. (2), i, 60, 1847 (Perthostoma). 
—E.S. 
lutaria Stal, CEfr. Vet. Akad. Forh. xii, 190, 1855. 
bifoveata Hald., Stanbury’s Expd. Great Salt Lake, 370, 1852; pl. 10, 
fig. 1.—Utah. 
fluminea Say, Het. Hem. N. Harm. 38, 1832; Compl. Writ. i, 364, 
1859 (Belostoma); Dufour, Ann. Soc. Ent. France, 1863, 
388.—U. S. 
fusciventris Dufour, Ann. Soc. Ent France, 1863, 389; Mayr, Verh. 
zool.-bot. Ges Wien. 1871, 417; Champ. Biol. C. Am. Rhynch, 
ii, 365, pl. 21, fig. 23, 1901.—S. W. States. 
