ca: A Sfek Sfeka Le’esor B’pikuach Nefesh? Rachmana Litzlan.
Health: It would depend on how many carry WNV, probably. If I’m in Panama, though, it’s for sure Muttar.
See the Shulchan Aruch on trapping bees. According to the M”B it’s Muttar even if you know it’s not diseased. According to the Aruch HaShulchan, it might be Assur.