556 PROCEEDINGS OF THE NATIONAL MUSEUM VoL. 92 
(Gyrodroma THomson, not Kuve, 1807) =Heriades SpInona. 
Hymenoptera Scandinaviae, vol. 2, p. 259, 1872. Two species. 
Type.—(Heriades) Gyrodroma nigricornis (NYLANDER), 1848. (By designa- 
tion of Cockerell, Proc. California Acad. Sci., vol. 14, p. 205, 1925.) 
(Habrophora F. SmirH, not ErtcHson, 1846) =Habropoda F. SmirH. 
Catalogue of hymenopterous insects . . . British Museum, pt. 2, p. 318, 1854. 
Two species. 
Type.—(Habrophora ezonata F. Smirn, 1854) =Tetralonia tarsata Spinowa, 
1838. (By designation of Patton, Bull. U. S. Geol. Surv. Terr., vol. 5, p. 477, 
1879.) 
Isogenotypic with Habropoda F. Smith. 
Habropoda F. SmirnH (=Habrophora F. Smiru, 1854, not Ertcuson, 1846). 
Catalogue of hymenopterous insects . . . British Museum, pt. 2, p. 320, 1854. 
Type.— (Habrophora ezonata F. Smiry, 1854) =Tetralonia tarsata SpmInota, 
1888. (Autobasic.) 
Isogenotypic with Habrophora I. Smith. 
Hackeriapis CocKERELL. 
Ann. Mag. Nat. Hist., ser. 9, vol. 10, p. 267, 1922. Four species. 
Type.—Megachile rhodura CockERELL, 1906. (Original designation.) 
Proposed as a subgenus of Megachile Latreille. 
Halictanthrena DUCKE. 
Zeitschr. Syst. Hym. Dipt., vol. 7, p. 364, 1907. 
Type.—Halictanthrena malpighiacearum DuckE, 1907. (Monobasic.) 
Synonym of Lonchopria Vachal, according to Bréthes, Anal. Mus. Nae. 
Buenos Aires, vol. 19 (ser. 3, vol. 12), p. 247, 1909. 
Halictoides NYLANDER. 
Notis. Sallsk. Fauna Flora Fennica, vol. 1, p. 195, 1848. Two species. 
Type.—Halictoides dentiventris NyLANDER, 1848. (By designation of Cock- 
erell and Porter, Ann. Mag. Nat. Hist., ser. 7, vol. 4, p. 420, 1899.) 
Halictomorpha ScHrRorrkry. 
Rev. Mus. Paulista, vol. 8, p. 81, 1910. 
Type.—Halictomorpha phaedra ScHrotrKy, 1910. (Monobasie and original 
designation. ) 
Halictus LATREILLE. 
Nouv. Dict. Hist. Nat., vol. 24, p. 182, 1804. Three species. 
Type.—Apis quadricincta Faxsrictus, 1776. (By designation of Richards, 
Trans. Roy. Ent. Soc. London, vol. 88, p. 170, 1935.) Hylaeus sexcinctus 
Fabricus, 1775, designated by Latreille, Considérations générales... 
des insectes, p. 439, 1810, was not originally included; and Melitta 
rubicunda Kirby, 1802, designated by Curtis (Brit. Ent., vol. 10, p. 448a, 
1833) was likewise not originally included. 
Haplomelitta CocKERELL. 
Ann. Mag. Nat. Hist., ser. 10, vol. 18, p. 446, 1934. Two species. 
Type.—Rhinochaetula ogilviei CockERELL, 19382. (Original designation.) 
Helicosmia THOMSON. 
Hymenoptera Scandinaviae, vol. 2, p. 233, 1872. No species. 
Schmiedeknecht, Apidae Europaeae, vol. 2, p. 22 [888], 1884-86 [1885]. Seven 
species. 
Type.—Apis aurulenta Panzer, 1799. (By designation of Michener, Amer. 
Midland Nat., vol. 26, p. 163, 1941.) 
Proposed as a subgenus of Osmia Panzer. 
Efeliophila Krug (=Saropoda LATREILLE). 
Magazin fiir Insektenkunde, vol. 6, p. 197, 1807. 
Type.—A pis bimaculata PANzER, 1798. (Monobasic.) 
