GENERA AND SUBGENERA OF BEES—SANDHOUSE 561 
Iomelissa ROBERTSON. 
Trans. Acad. Sci. St. Louis, vol. 10, p. 50, 1900. 
Type.—Andrena violae Ropertson, 1891. (Monobasic.) 
Ischnocera SHUCKARD. 
In Swainson and Shuckard: On the history and natural arrangement of 
insects (Lardner’s The cabinet cyclopaedia. Natural history), p. 166, 
1840. No species. 
Isepeolus COCKERELL. 
Ann. Mag. Nat. Hist., ser. 7, vol. 20, p. 64, 1907. 
Type.—Isepeolus albopictus CocKkERELL, 1907. (Monobasic.) 
Kallobombus Datta Torre (=—Callobombus Daria TorRE; Soroeensibombus 
Voer. 
Die Naturhistoriker, vol. 2, p. 40, 1880. Three species. 
Type.—Apis sorocensis Fasricius, 1776. (Present designation.) 
Proposed as a subgenus of Bombus Latreille. 
Isogenotypic with Soroeensibombus Vogt. 
Kelita, new name (—Herbstiella Frirsr, 1916, not Stimpson, 1871). 
Type.—Herbstiella chilensis Friese, 1916. (Autobasic.) 
(Kirbya LEPELETIER, not ROBINEAU-DESvorDy, 1830) =Melitta Kirsy. 
Histoire naturelle des insectes. Hyménoptéres, vol. 2, p. 145, 1841. Two 
species. 
Type.—Meclitia tricincta Kirpy, 1802. (Present designation. ) 
Isogenotypic with Melitta Kirby. 
Kirbya Lepeletier is preoccupied and ordinarily would require a new name, 
but by this genotype designation becomes isogenotypic with Melitta Kirby. 
(Koptobaster Popov) for Koptogaster ALFKEN. 
Compt. Rend. (Doklady) Acad. Sci. U. R. 8. S., new ser., vol. 25, p. 168, 1989. 
Koptogaster ALFKEN (=Koptobaster Popov, 1939; Pseudobranchiata Popov). 
Ber. westpreuss. bot.-zool. Ver. Danzig, vol. 34, p. 28, 1912. Two species. 
Type.— (Prosopis) Hylaeus (Koptogaster) bifasciatus (JURINE), 1807. (By 
designation of Meade-Waldo, Genera Insectorum, fase. 181, p. 16, 1923.) 
Proposed as a subgenus of Prosopis Fabricius. 
Isogenotypie with Pseudobranchiata Popov. 
Koptortosoma GrRinopo (—Coptorthosoma PEREZ, 1901.) 
Bull. Soe. Ent. Italiana, vol. 26, p. 271, 1894. Two species. 
Type.—Koptortosoma gabonica Gripopo, 1894. (Present designation.) 
Kozlovibombus SkORIKOV. 
Bull. Sta. Région. Protect. Plantes Petrograd, vol. 4, p. 152, 1922. Two species. 
Type—(Bomtbus) Koslovibombus kozlovi (SkortKov), 1909. (Present des- 
ignation because of virtual tautonymy. ) 
Synonym of Lapidariobombus Voet, according to Richards, Ann. Mag. Nat. 
Hist., ser. 10, vol. 5, p. 641, 1930. 
Laboriopsithyrus FRison. 
Trans. Amer. Ent. Soc., vol. 53, p. 69, 1927. Four species. 
Type.—(Bombus) Psithyrus laboriosus (Faprictus), 1804. (Original desig- 
nation. ) 
Preposed as a subgenus of Psithyrus Lepeletier. 
Laesobombus SkcRIKOV. 
Bull. Sta. Région. Protect. Plantes Petrograd, vol. 4, p. 150, 1922. 
Type—(Bombus) Agrobombus (Laesobombus) laesus (MorAwitz) 1875, 
(Monobasic. ) 
Proposed as a subgenus of Agrobombus Vogt. 
