>From: "John Gates"@mr.gov.bc.ca >I will soon be participating in a workshop for Saskatoon growers (Amelanchier >alnifolia). Closely related to the apple, hawthorn and mountain ash, it >produces >a multiseeded fruit similar in appearance to a blueberry. It also goes by the >common names of serviceberry, shadbush and juneberry. If any of you liners out >there have or know about any research or extension material regarding >pollination of saskatoons I would much appreciate it. The bee species recorded from Amelanchier spp. in North America are mostly Andrena, which tend to have fairly narrow preferences, with numerous polylectic halictids thrown in. The list, doubtless *very* incomplete*, includes 55 species as follows (but doesn't distinguish between true pollinators and floral visitors): ANDRENIDAE Andrena (A.) mandibularis A. (Larandrena) miserabilis A. (Leucandrena) erythronii A. (Leucandrena) p. placida A. (Micrandrena) illinoiensis A. (Micrandrena) salictaria A. (Opandrena) c. cressonii A. (Parandrena) andrenoides A. (Parandrena) nida A. (Plastandrena) crataegi A. (Scrapteropsis) alleghaniensis A. (Scrapteropsis) fenningeri A. (Scrapteropsis) imitatrix A. (Scrapteropsis) morrisonella A. (Simandrena) nasonii A. (Thysandrena) bisalicis A. (Thysandrena) candida A. (Trachandrena) ceanothi A. (Trachandrena) forbesii A. (Trachandrena) hippotes A. (Trachandrena) mariae A. (Trachandrena) rugosa A. (Trachandrena) salicifloris A. (Trachandrena) sigmundi A. (Trachandrena) zionensis A. (Tylandrena) perplexa COLLETIDAE Colletes thoracicus HALICTIDAE Agapostemon sericeus [=radiatus] A. texanus Augochlora p. pura Augochlorella striata Dialictus apopkensis D. bruneri D. coeruleus D. cressonii D. imitatus D. laevissimus D. lineatulus D. nigroviridis D. p. pilosus D. punctatoventris D. rohweri D. versans D. versatus D. viridatus D. zephyrus Evylaeus cinctipes E. comagenensis E. foxii E. rufitarsis E. truncatus Halictus c. confusus H. rubicundus (the greatest bee in the world ;-) APIDAE Ceratina calcarata C. dupla Doug Yanega Illinois Natural History Survey, 607 E. Peabody Dr. Champaign, IL 61820 USA phone (217) 244-6817, fax (217) 333-4949 "There are some enterprises in which a careful disorderliness is the true method" - Herman Melville, Moby Dick, Chap. 82