... honey bee species, Apis florea and Apis cerana , in two different natural environments with clear differences in the vegetation conditions and hence visual contrast. We found that the dense vegetation condition (with higher contrast) elicited a more rapid increase in the waggle phase duration...

...Junjun Zhang; Zhengwei Wang; Ping Wen; Yufeng Qu; Ken Tan; James C. Nieh ABSTRACT The nectar of the thunder god vine, Tripterygium hypoglaucum , contains a terpenoid, triptolide (TRP), that may be toxic to the sympatric Asian honey bee, Apis cerana , because honey produced from this nectar is toxic...

...Ming-Xian Yang; Ken Tan; Sarah E. Radloff; Mananya Phiancharoen; H. Randall Hepburn SUMMARY Comb building in mixed-species colonies of Apis cerana and Apis mellifera was studied. Two types of cell-size foundation were made from the waxes of these species and inserted into mixed colonies headed...