Fulgoroidea— Flatidae and Hypochthonellidae 
339 
1862 Petrusa [marginata] St&l, Handl. Svenska Yet. Akad. 3 (6) :69 
Equals F[lata] marginata Fabr. 
1862 Petrusa [pygmaea] Stal, Handl. Svenska Vet. Akad. 3 (6) :69 
Equals Flata pygmaea 
1869 Petrusa marginata StS.1, Handl. Svenska Yet. Akad. 8 (1) :1 1 1 
[Described, catalogued] 2, 4 Equals Cicada marginata Briinn. 
Equals Flata marginata Fabr. 
1869 Petrusa pygmaea Stal, Handl. Svenska Yet. Akad. 8 (1) :112 
[Described, catalogued] 2, 5 Equals Cicada pygmaea Fabr. Equals 
Flata pygmaea Fabr. 
1902 Ormenis ( Petrusa ) marginata Melichar, Ann. Nat. Hofmus. Wien 
17: 96; PI. V, Fig. 14 [Described, catalogued, illustrated] 3, 4i 6 ’ 7 
Equals Cicada marginata Briinn. Equals Flata marginata Fabr. 
Equals Petrusa marginata St&l :69 [Key] 1 
1902 Ormenis ( Petrusa ) pygmaea Melichar, Ann. Nat. Hofmus. Wien 
17: 96 [Described, catalogued] 5,8,9,10 Equals Cicada pygmaea 
Fabr. Equals Flata pygmaea Fabr. Equals Petrusa pygmaea 
Fabr. :69 [Key] 8 
1902 [Ormenis] pygmaea Melichar, Ann. Nat. Hofmus. Wien 17 :95, 96 
[Comparative notes] 
1902 Cicada marginata Sherborn, Index Animalium 1902: 586 [Cata- 
logued] 
1902 Cicada pygmaea Sherborn, Index Animalium 1902: 801 [Cata- 
logued] 
1906 Ormenis epilepsis Ivirkaldy, Canadian Ent. 38: 156 Nom. nov. 
pro [Ormenis] marginata Briinnich [Linne 1767] [nec Cicada 
marginata Scopoli 1763] 
1909 0[rmenis] insulicola Kirkaldy, Canadian Ent. 41: 32 Nom. nov. 
pro. [Ormenis] pygmaea Fabricius [1794] [nec Cicada pygmaea 
Olivier 1790] 
1915 Ormenis marginata Jacobi, Deutsche Ent. Zeit. 1915: 174 
[Taxonomy] 
1917 Ormenis pygmaea Van Zwaluwenburg, Jour. Econ. Ent. 10: 516 
[Economics] 7 
1923 Petrusina marginata Melichar, Gen. Insect. 182: 75 [Cata- 
logued] 2, *■ ’■ 11 Equals Cicada [marginata Briinn.] Equals Flata 
[marginata Briinn.] Equals Petrusa [marginata Briinn.] Equals 
Ormenis epilepsis Kirk. 
1923 Petrusa pygmaea Melichar, Gen. Insect. 182: 75 [Cata- 
logued] 5, *■ 10 Equals Cicada [pygmaea Fabr.] Equals Flata 
[pygmaea Fabr.] Equals Ormenis [pygmaea Fabr.] Equals [Pe- 
trusa] insulicola Kirk. 
