Found 640 results
Y. A. Pesenko, Banaszak, J., Radchenko, V. G., and Cierzniak, T., Bees of the family Halictidae (excluding Sphecodes) of Poland: taxonomy, ecology, bionomics. Bydgoszczy: Wydawnictwo Uczelniane Wyższej Szkoły Pedagogicznej w Bydgoszczy, 2000.
C. D. Michener, The bees of the world. Baltimore: Johns Hopkins University Press, 2000.
M. E. Archer, The British potter and mason wasps: a handbook. York:  Vespid Studies, 2000.
T. Benton, The Bumblebees of Essex. Lopinga Books, 2000.
M. Blösch, Die Grabwespen Deutschlands: Lebensweise, Verhalten, Verbreitung, vol.  71. 2000.
O. Niehuis, The European species of the Chrysis ignita group: revision of the Chrysis angustula aggregate (Hymenoptera, Chrysididae), Mitteilungen aus dem Museum für Naturkunde in Berlin, Deutsche Entomologische Zeitschrift, vol. 47, pp. 181-201, 2000.
S. F. Gayubo and Felton, J. C., The European species of the genus Nitela Latreille, 1809 (Hymenoptera: Sphecidae), Annales de la Société entomologique de France (N.S.),, vol. 36, pp. 291-313, 2000.
J. Straka, Faunistic records from the Czech Republic – 109. Hymenoptera:Aculeata, Klapalekiana, vol. 36, pp. 181-183, 2000.
Y. R. Wu, Hymenoptera. Melittidae, Apidae. 2000.
G. M. Orledge, Smith, P. A., and David, C., Leptothorax albipennis (Curt is) and other Leptothorax ants in the Channel Islands, Report and Transactions of La Société Guernesiaise, vol. 24, pp. 862-866, 2000.
V. V. Vikberg, A re-evaluation of five European species of Spilomena with a key to European species and relevance to the fauna of North Europe, especially Finland (Hymenoptera: Pemphredonidae), Entomologica Fennica, vol. 11, pp. 35-55, 2000.