drone congregation areas
... that no one knows how honeybee drones from hundreds of different colonies all converge on the same drone congregation areas to mate?
... that no one knows how honeybee <a href="./Drone_(bee)" id="mw1A" rel="mw:WikiLink" title="Drone (bee)">drones</a> from hundreds of different colonies all converge on the same <b id="mw1Q"><a href="./Drone_congregation_area" id="mw1g" rel="mw:WikiLink" title="Drone congregation area">drone congregation areas</a></b> to mate?