The Biology of Mating by Juliana Rangel (NHS lecture).

[prakel]

I wonder whether the screen shot should actually have said 65f rather than 75?

edit: This paper discusses temperature too:

Observation of the Mating Behavior of Honey Bee (Apis mellifera L.) Queens Using Radio-Frequency Identification (RFID): Factors Influencing the Duration and Frequency of Nuptial Flights

http://www.mdpi.com/2075-4450/5/3/513/pdf