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  • Peter Bernhardt
    ... From: Paul Williams Date: Wed, Aug 5, 2009 at 5:36 AM Subject: [beemonitoring] (unknown) To: beemonitoring@yahoogroups.com Dear Peter
    Message 1 of 2 , Aug 5, 2009

      ---------- Forwarded message ----------
      From: Paul Williams <porlw@...>
      Date: Wed, Aug 5, 2009 at 5:36 AM
      Subject: [beemonitoring] (unknown)
      To: beemonitoring@yahoogroups.com


      Dear Peter


      Thanks for your message.  The paper is available online as a pdf at the following address:



      The publishers compressed some of the images during the production process making some of them very difficult to read.  Therefore a pdf with images at the original resolution is also available at:



      I hope that this is useful.  I would be very interested in any comments.

      With best wishes



      Bumblebees of the world
      Department of Entomology,  The Natural History Museum,  Cromwell Road,  London SW7 5BD,  UK  

      The bumblebees of Sichuan (Hymenoptera: Apidae, Bombini)


      Bumblebees are important pollinators in mountainous regions. The highland region of Sichuan and Chongqing (together, Sichuan in the former broad sense) includes part of the greatest hotspot of bumblebee diversity worldwide,with half of the species of China and more than a fifth of the world’s species. In this paper we present the first review of this diverse but particularly poorly known fauna, drawing on 6705 bees from selective samples made by the authors during field work and from museum collections, together with 1123 literature records (an overlapping set). Among this material we recognise 56 species that have 847 names (including infrasubspecific names). One new species, Bombus (Pyrobombus) wangae, is described from Sichuan and Gansu. B. laesus is found to have a colour pattern in this part of its range that was previously undescribed. Six species are recorded from the Sichuan-Chongqing region for the first time (B. avanus, B. branickii, B. difficillimus B.. humilis, B. norvegicus, B. tibetanus), of which B. avanus is only the second published record worldwide. One species, B. braccatus, is endemic to Sichuan and is confirmed as extant in 2005. We provide diagnoses and keys to species for both sexes. Colour variation is described, distributions within the Sichuan-Chongqing region are mapped, altitudinal and seasonal activity are plotted, and the authors’ records of food plants are listed.

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