Hi,
Not killing, I would rather say "put them in coma and leave them braindead :? ". Sorry, stupid joke
. Don't you have a cellar or attic where you can keep a reasonable and consistent temperature? Or maybe a cool place in a store room, if you have one? A bit cooler then 59F is ok, as long as it does not come under 50F (10C). I keep mine at an average temperature of 68F/20C (with day/night temperature differences and all), and feed them with cricket food (prepared stuff with agar-agar, and all sweet and nutricious ingredients, but honey and biological beeswax with sometimes some fibres like bran is very good too) and keep the substrate moist (every 2-3 days a slight bit of water sprayed over the substrate). Don't close the lid; if the box or container is high enough, they will not climb out and they will get enough fresh air. If you feed honey, refresh the substrate every 2-3 days, if you feed cricket food, refreshing the substrate is not really necessary.
The maximum span I have keept them alive without pupating is about 4 weeks, but I think most of the worms do not make that time, while they are already fed to the beardies :mrgreen: .
Please be a bit careful in feeding the waxworms. As their normal diet is honey and beeswax, the worms contain a lot of sugar/fat and should only be given as a treat 3-4 per week/per beardie unless you have a beardie which needs to gain extra weight quickly (b.g. after illness).
Cheers,
J.
