 In an experiment conducted in a laboratory environment, "Chionea araneoides" specimens died at a mean temperature of -7.5°C, their supercooling point; another experiment on an undetermined species of European "Chionea" demonstrated a supercooling point of -11.2°C.The antifreeze agent found in "Chionea" hemolymph has been determined to be sugar trehalose.Mating is indiscriminate (probably because it is very hard to find a specimen of the other sex for them) and takes 30 to 70 minutes.