Stelzer RJ, Stanewsky R & L Chittka (2010):
Circadian Foraging Rhythms of Bumblebees Monitored by Radio-Frequency Identification
Journal of Biological Rhythms: 25:257-267
doi: 10.1177/0748730410371750
PDF (480 KB)

Stelzer, RJ & L Chittka (2010):
Bumblebee foraging rhythms under the midnight sun measured with radiofrequency identification
BMC Biology 8:93
doi: 10.1186/1741-7007-8-93
PDF (725 KB)
Coverage on sciencemag.org

Stelzer RJ, Raine NE, Schmitt KD & L Chittka (2010):
Effects of aposematic colouration on predation risk in bumblebees? A comparison between differently coloured populations, with consideration of the ultraviolet
Journal of Zoology: 282:75-83
doi: 10.1111/j.1469-7998.2010.00709.x
PDF (550 KB)

Stelzer RJ, Chittka L, Carlton M & TC Ings (2010):
Winter Active Bumblebees (Bombus terrestris) Achieve High Foraging Rates in Urban Britain
PLoS ONE 5(3):e9559
doi: 10.1371/journal.pone.0009559
PDF (396 KB)

Ollerton J, Cranmer L, Stelzer RJ, Sullivan S & L Chittka (2009):
Bird pollination of Canary Island endemic plants.
Naturwissenschaften 96(2):221-232
doi: 10.1007/s00114-008-0467-8
PDF (290 KB)

Molet M, Chittka L, Stelzer RJ, Streit S & NE Raine (2008):
Colony nutritional status modulates worker response to foraging recruitment pheromone in the bumblebee Bombus terrestris.
Behavioral Ecology & Sociobiology 62:1919-1926
doi: 10.1007/s00265-008-0623-3
PDF (263 KB)

Stelzer RJ & L Chittka (2008):
Bumblebees under the midnight sun - Monitoring circadian rhythms of bumblebees under continuous daylight, using radio frequency identification (RFID).
Available from Nature Precedings
PDF (460 KB)

Stelzer RJ, Ollerton J & L Chittka (2007):
Kein Nachweis für Hummelbesuch der Kanarischen Vogelblumen (Hymenoptera: Apidae).
Entomologia generalis 30(2):153-154
PDF (29.7 KB)

Masters thesis

University of Würzburg, Germany and Queen Mary, University of London, UK
Foraging strategies in bumblebees - a comparison between island and mainland populations
PDF (German, 1.5 MB)
Prof. Dr. Jürgen Tautz, University of Würzburg, Germany
Prof. Dr. Lars Chittka, QMUL, UK