560 PROCEEDINGS OF THE NATIONAL MUSEUM VOL. 92 
Hylaeus Fasricius (=—Pectinata Popov; Trichota Popov; Nylaeus Popov). 
Entomologia systematica, vol. 2, pp. 194 and 302, 1793. Sixteen species. 
Type.— (Prosopis annulata Fasricius, 1804) =Apis annulata LINNAEUS, 1758. 
(By designation of Latreille, Considérations générales . .. des insectes, 
p. 488, 1810.) (Hylaeus signatus Latreille=Sphex signata Panzer, 
1798) =Mellinus bipunctatus Fabricius, 1798, designated by Blanchard, im 
Cuvier, Régne Animal, [ed. 3], insectes, text vol. 2, p. 203; atlas, pl. 125, 
fig. 1, [1849], was not originally included. 
Isogenotypic with Trichota Popov and Pectinata Popov. A proposal to 
suspend the rules and place Prosopis Jurine, 1807, on the Official List 
of Generic Names has been put before the International Commission, 
Science, vol. 83, p. 552, 1986. This would result in the replacement of 
Hylaeus Fabricius by Prosopis Fabricius. 
Hyleoides F. SMITH. 
Catalogue of hymenopterous insects ... British Museum, pt. 1, p. 32, 1853. 
Two species. 
Type.—Vespa concinna Fasrictus, 1775. (By designation of Taschenberg, 
Berlin. Ent. Zeitschr., vol. 27, p. 45, 1883.) 
Hypanthidium CocKERELL. 
Ent. News, vol. 15, p. 292, 1904. Four species. 
Type.—Anthidium flavomarginatum F. SmirH, 1879. (Original designation.) 
Hypochrotaenia HOLMBERG. 
Anal. Soc. Cient. Argentina, vol. 22, p. 278, 1886. 
Type.—Hypochrotaenia parvula HoLMBERG, 1886. (Monobasic.) 
Hypomacrotera COCKERELL AND PORTER. 
Ann. Mag. Nat. Hist., ser. 7, vol. 4, p. 418, 1899. Two species. 
Type.—Hypomacrotera callops COCKERELL AND Porrer, 1899. (Original des- 
ignation. ) 
Hypotrigona CocKERELL. 
Rey. Zool. Bot. Africaines, vol. 26, pp. 47 and 54, 1984. Four species. 
Type.—Trigona gribodoi MAGRETTI, 1884. (Original designation.) 
Proposed as a subgenus of T'rigona Jurine. 
Idioprosopis MEADE-WALDO. 
Ann. Mag. Nat. Hist., ser. 8, vol. 14, p. 451, 1914. 
Type.—Idioprosopis chalcidiformis MErADE-WALDO, 1914. (Monobasic and 
original designation.) 
Synonym of Chilicola Spinola, according to Cockerell, Ann. Mag. Nat. Hist., 
ser. 9, vol. 17, p. 218, 1926. 
(Imperfecta Popov) =Dentigera Popoy. 
Compt. Rend. (Doklady) Acad. Sci. U. R. S. S., new ser., vol. 25, p. 168, 
19389. Four species. 
Type.—(Hylaeus) Prosopis brevicornis NYLANDER, 1852. (Original desig- 
nation.) 
Proposed as a subgenus of Prosopis Fabricius. 
Isogenotypic with Dentigera Popov. 
Imperfecta was first proposed by Méhely, Naturgeschichte der Urbienen, 
pp. 48 and 154, 1935, as a subgenus of Prosopis Fabricius to include five 
species but, under Article 25c, it has no validity from that date, since no 
genotype was designated. 
Indohalictus BLUTHGEN. 
Zool. Jahrb., Abt. Syst., Jena, vol. 61, p. 291, 1931. Seven species. 
Type.—Halictus buccinus VACHAL, 1894. (Original designation.) 
Proposed as a subgenus of Halictus Latreille. 
