Institution: | (1) Department of Zoology and Entomology, University of Pretoria, 0002 Pretoria, South Africa;(2) Institut f?r Bienenkunde (Polytechnische Gesellschaf), J. W. Goethe-Universit?t Frankfurt a. Main, Karl-von-Frisch Weg 2, 61440 Oberursel, Germany;(3) Institut f?r Zoologie, Martin-Luther-Universit?t Halle-Wittenberg, Hoher Weg 4, 06099 Halle (Saale), Germany;(4) Department of Zoology and Entomology, Rhodes University, 6140 Grahamstown, South Africa;(5) Eastern Bee Research Institute of Yunnan Agricultural University, Heilongtan, Kunming, Yunnan Province, People’s Republic of China |