88 
Psyche 
[Vol. 93 
Zetamenes (!) Bertoni, 1926, Rev. Soc. Cient. Paraguay 2: 75. 
Beteumenes Bertoni, 1934, Rev. Soc. Cient. Paraguay 3: 109 (as 
subgenus of Zeteumenes). Invalid; no type designated. 
Zetheumenidion Bequaert, 1926, Ann. S. Afr. Mus. 23: 487 (as sub- 
genus of Eumenes Latreille). Type species Eumenes femoratus 
Schulthess, 1910. Original designation. 
Zethus Fabricius, 1804, Syst. Piez.: xii, 282. Type species Vespa 
coeruleopennis Fabricius, 1798. Designated by Latreille, 1810, 
Con. Gen. Crust. Arach. Ins.: 328, 438. 
Didymogastra Perty, 1833, Delect. Anim. Artie. Brasil: 144. 
Type species Didymogastra fusca Perty, 1833. Monotypic. 
Lethus (!) Say, 1837, Boston J. Nat. Hist. 1: 387. 
Heros Saussure, 1855, Et. Fam. Vesp. 3: 115 (as division of 
Zethus ), non Heros Haeckel, 1840. Type species Zethus gigas 
Spinola, 1841 (= Vespa coeruleopennis Fabricius, 1798). 
Monotypic. 
Wettsteinia Dalla Torre, 1904, Gen. Ins. 19: 13. Type species 
Labus sichelianus Saussure, 1875. Designated by Bohart and 
Stange, 1965, Univ. Calif. Publ. Ent. 40: 25. 
Euzethus Dalla Torre, 1904, Gen. Ins. 19: 14. New name. 
Laboides Zavattari, 1912, Arch. Naturgesch. 78A(4): 65. Type 
species Labus sichelianus Saussure, 1875. Designated by 
Bohart and Stange, 1965, Univ. Calif. Publ. Ent. 40: 25. 
subg. Zethusculus Saussure, 1855, Et. Fam. Vesp. 3: 118. Type 
species Zethus jurinei Saussure, 1852. Designated by Ash- 
mead, 1902, Can. Ent. 34: 205. 
subg. Zethoides Fox, 1899, Proc. Acad. Nat. Sci. Philad.: 436. 
Type species Zethoides smithii Fox, 1899, ( non Zethus smi- 
thii Saussure, 1855; = Zethus chapadensis Bohart and 
Stange, 1965). Monotypic. 
Baeoprymna Cameron, 1912, Timehri 2: 225. Type species 
Baeoprymna rufoornata Cameron, 1912 (= Zethus minia- 
tus Saussure, 1858). Monotypic. 
Protozethus Bertoni, 1926, Rev. Soc. Cient. Paraguay 2: 75. 
Type species Zethus olmecus Saussure, 1875. Original 
designation. 
