See discussions, stats, and author profiles for this publication at: https://www.researchgate.net/publication/267400509 Phenology and Social Organization of Halictus (Seladonia) Tripartitus (Hymenoptera: Halictidae) ARTICLE in JOURNAL OF HYMENOPTERA RESEARCH · OCTOBER 2007 Impact Factor: 0.9 CITATIONS 6 READS 9 3 AUTHORS, INCLUDING: Laurence Packer York University 149 PUBLICATIONS 3,829 CITATIONS SEE PROFILE Gretchen LeBuhn San Francisco State University 42 PUBLICATIONS 1,219 CITATIONS SEE PROFILE Available from: Laurence Packer Retrieved on: 14 February 2016