376 Dr. Rob. Lucas: Entomologie. Hymenoptera 1898. 
Pissarew, W.J. Das Herz der Biene (Apis mellifica). Mit 1 Fig. 
Zool. Anz. 21. Bd. No. 557 p. 282—283. — Extr.: Journ. 
Roy. Mier. Soc. London 1898 P. 4 p. 421. 
Praeger, R.Ll. A Plague of Ants. The Irish Naturalist, Vol. 7 
Oct. p. 254. — Cuthbert, H. G., Note on the Species. 
ibid. p. 254. 
Wahrscheinlich Lasius flavus or Myrmica rubra. 
Provancher, L. 1885. A new Tenthredinid. Canad. Entomologist, 
vol. 17 No.3 p. 50. 
Synairema americana nov. spec. 
— (2). Additions to North American Hymenoptera Ichneumonidae. 
t.c. vol. 17 No. 6 p. 114— 117, Correction vol. 18 No. 6 
p- 120. 
p- 114—117: 6 neue Arten, sowie das neue Genus Platysoma. 
p. 120: Platysoma praeocc. dafür nom. nov. Aplomerus. 
Rabes siehe im system. Theil unter Apis. 
v. Rauschenfels desg]. 
Reber, D. 1897. Die Feinde der Honigbiene in der Thier- und 
Pflanzenwelt. Ber. Thätigk. St. Gali. Naturw. Ges. 1895/96 
p- 118—176. 
Redemann, 6. Unfehlbares Mittel zur Ausrottung und Vertilgung 
der schädlichen Wespen, Vespa vulgaris. Societ. Entomol. 
XIII, 14, 1898. 
Reed, E.C. Revision de las „Mutillarias* de la Obra de Gay. 
Revista Chilena de Historia natural 1898 II, 1 u. folge. 
Reisser. 1895. Bou-Nahal. Lecons d’Apiculture faites aux Indi- 
genes. Avec une traduction arabe pour M. El-Hafnaouy ben 
Cheikh. Alger 1895, 102p. 2pl. 
Riedel, P. Nestbau von Bembex rostrata. Ilustr. Zeitschr. f. Entom. 
3. Bd. p. 347. 
Riley, Ch. V. (1). 1894. (On DBees). Appendix to his „Social 
Insects“, Note 1— 4. Proc. Biol. Soc. Washington, Vol. 9 
p. 61—68. 
1. The principal Races of Apis mellifica. 
2. The Species of Apis with their varieties. 
3. Polliniferous Organs in Bees. 
4. Wax-producing organs. 
— (2). Ant-Economy. Appendix to his „Social Insects“, Note 5. 
t. ;C.; P..68=-71. 
Robertson, Charles. 1890. Notes on Bombus. Entom. News, 
Vol.1 No.3 p. 39—41. 
— (2). 1891. Descriptions of new Species of North American 
Bees. Trans. Amer. Entom. Soc. vol. 18 p. 49-66. 
38 neue Arten. 
— (3). 1893/95. Notes on Bees, with Descriptions of new Species. 
op. eit. vol.20 p. 145—149, 273— 276. Third Paper. ibid. 
vol. 22 p. 115—128. 
