Wax secretion occurs between 91 and 97 F--granted, of course, that there are plentiful nectar, honey, sugar syrup as well as ample pollen consumption (Sammataro and Morse The Beekeeper's Handbook 19). Hence, utilizing this knowledge, a savvy beekeeper puts a captured swarm into work by dumping foundation into the hive. YSK Humdinger Shawnee, OK