While debugging a failed camera outside, I noticed some remains of some ants inside one of the camera boxes (they are harmless to it), as it's not well sealed as really just to keep cable connections dry, but not humidity proof. In the past I had noticed I believe may be Camponotus Myrmentoma ants had gotten into what was supposed to be a weatherproof and sealed Verizon POTS box outside, but after opening it a couple years ago, being mobbed by ants, realized that wasn't the case.
While out there today, for curiosity sake I checked on one of the older boxes I used to use for Analog CCTV cameras. NEMA Box is supposed to be weatherproof with it's door, seals very tightly, only two holes I used water proof cable glands, *and* had sealed the tops around the cables with duct seal. Obviously (based on not just the ants, but a bit of condensation on the top), the seal on the right CCTV cable isn't so good due to it's shape, and ants apparently not deterred by the duct seal, dug a tunnel thru it. Prior to the ants, never any condensation in there as was well sealed, and none of the mold obviously from their living there.
Nature will find a way
EDIT: Original ID of Formica may be incorrect.
Edited by noebl1, December 22 2016 - 8:37 AM.