336 
General Catalogue of the Homoptera 
1886 Ormenis madagascariensis Signoret, Ann. Soc. Ent. France (6) 6: 
28 [Listed] 1 Equals Elidiptera [ madagascariensis Sign.] 
1889 Ormenis madagascariensis Lethierry, Rev. Ent. 8: 317 [Compara- 
tive note] 
1902 Ormenis madagascariensis Melichar, Ann. Nat. Hofmus. Wien 17 : 
76; PI. V, Fig. 19 [Described, illustrated, catalogued] 1 ’ 2 Equals 
Elidiptera madagascariensis Sign. :72 [Comparative note] :66 
[Key] 
1903 0[rmenis] madagascariensis il/elichar, Homopteren-Fauna von 
Ceylon 1903 : 90 [Comparative note] 
1917 Ulundia madagascariensis Distant, Trans. Linn. Soc. London 
Zool. 17: 299 [Listed] 1 ’ 2 ' 3 Equals Elidiptera madagascariensis 
Sign. Equals Ormenis madagascariensis Stal 
1917 Ormenis madagascariensis Jacobi, Voeltzkow’s Reise in Ostafrika 
3: 537 [Listed] 4 
1923 Chaetormenis madagascariensis Melichar, Gen. Insect. 182: 74 
[Catalogued] 1 • 5 Equals Elidiptera [madagascariensis Sign.] 
Equals Ormenis [madagascariensis Sign.] 
Localities: ’Madagascar. 2 Tanganyika. 3 Aldabra Island. 4 Nossi-Be Island. 
5 Eastern Africa. 
unispinosa Schmidt 
1906 Ormenis unispinosa Schmidt, Stett. Ent. Zeit. 67: 212 [n. sp.] 1 
1923 Chaetormenis unispinosa Melichar, Gen. Insect. 182: 74 [Cata- 
logued] 2 Equals Ormenis [unispinosa Schmidt] 
Localities: ’Tanganyika. 2 Eastern Africa. 
Genus Petrusa Stal 
Logotype Petrusa pygmaea 1923 Melichar, Gen. Insect. 182: 74 
Type Cicada marginata 1942 Fennah, Proc. Ent. Soc. Washington 44: 
156 
Type Cicada marginata 1949 Fennah, Psyche 56: 63 
[Petrusina Melichar] 
[Orthotype Petrusina marginata 1923 Melichar, Gen. Insect. 182: 75] 
Petrusa 1862 St&l, Handl. Svenska Vet. Akad. 3 (6) :69 [gen. n., 
key] 
1862 St&l. Ofv. Svenska Vet. Akad. Forh. 19: 490 
[Listed] 
1866 St&l, Hemiptera Africana 4: 237 [Key] 
1869 St&l, Handl. Svenska Vet. Akad. 8 (1) :1 1 1 [Cata- 
logued] 
1889 Ashmead, Ent. Americana 5: 3 [Key] 
