What happens to Mason bees after a number of consecutive cold days? Let's say a female lays an egg. What happens to it? Does it die? This week on PolliNation we welcome back Dr. Jim Cane and Ron Spendal to discuss their new paper "Eggs of the bee Osmia lignaria endure weeks of prolonged cold weather" https://www.researchgate.net/publication/381743824_Eggs_of_the_bee_Osmia_lignaria_endure_weeks_of_prolonged_cold_weather