1980] 
Eickwort — Chelostoma 
323 
megachilid bees (Hymenoptera: Megachilidae). J. Kans. Entomol. Soc., 
in press. 
Frey-Gessner, E. 
1909. Fauna insectorum helvetiae. Hymenoptera Apidae vol. II. Bauch- 
sammler und Schmarotzerbienen. Mitt. Schweiz. Entomol. Gesel. 11 , 
suppl.: 256 p. 
Grandi, G. 
1961. Studi di un entomologo sugli Imenotteri superior!. Boll. 1st. Entomol. 
Univ. Bologna 25: 1-659. 
Hurd, P. D., Jr., and C. D. Michener 
1955. The megachiline bees of California (Hymenoptera: Megachilidae). Bull. 
Calif. Insect Survey 3: 247 p. 
NAr H.A, ivi. . . , * 
1978. Bionomics of five wood-nesting solitary species of bees(Hym„ Megachi- 
lidae), with emphasis on flower relationships. Biol. Res. Rep. Univ. 
Jyvaskyla 5: 3-89. 
Michener, C. D. , 
1944. Comparative external morphology, phylogeny, and a classification ot 
the bees (Hymenoptera). Bull. Amer. Mus. Nat. Hist. 82 : 151-326. 
Mitchell, T. B. 
1962. Bees of the eastern United States. Vol. II. N. Car. Agnc. Exp. Sta. Tech. 
Bull. 152 : 557 p. 
Richards, O. W. . . , 
1935. Notes on the nomenclature of the aculeate Hymenoptera, with special 
reference to British genera and species. Tr. Roy. Entomol. Soc. London 
83: 143-176. 
Roberts, R. B. , 
1978. The nesting biology, behavior and immature stages of Litnurge cnrysu- 
rus, an adventitious wood-boring bee in New Jersey (Hymenoptera: 
Megachilidae). J. Kans. Entomol. Soc. 51 : 735-745. 
Robertson, C. 
1929. Flowers and Insects. Science Press, Lancaster, PA, 221 p. 
Schmiedeknecht, O. 
1930. Die Hymenopteren Nord- und Mitteleuropas. ed. 2. Gustav Fischer, 
Jena, 1062 p. 
Stoeckhert, F. K. , D u r. 
1933. Die Bienen Frankens (Hym. Apid.). Deut. Entomol. Z. 1932 , Beihett, 
294 p. 
1954. Fauna Apoideorum Germaniae. Abhandl. Bayer. Akad. Wissenschaft. 
n.f. 65 : 1-87. 
TkalcB, B. , ... 
1967 Bemerkungen zur Taxonomie einiger palaarktischer Arten der Familie 
Megachilidae (Hymenoptera, Apoidea). Acta Entomol. Bohemoslov. 64 : 
91-104. 
