Bug invasion help

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I need help identifying this godforsaken larvae bug. As of a couple weeks ago, this breed has been invading my bathroom, which sits in a corner end of the house. Seems every 6-8 hours i go in there, i see about 3-5 new visitors, which i kill every time. At this point I've probably killed over a hundred of them by hand. They seem harmless, but are pretty repulsive to look at.

The area around the toilet seems to be a hotspot. I've caulked some gaps around the cupboard & baseboards, sprayed the outside perimeter w/pesticide, and have sprayed the bathroom twice. The good news is that they seem to be getting less and less frequent, but somehow a few stragglers are still managing to get by.

They seem to stick to the walls and ceiling (and corners), because i don't think they can traverse well on carpet. I've seen this bug before in past years, but they were a rare sighting. The bathroom is kept relatively clean; the bugs do not appear in any other part of the house except here.

Will these things ever go away? In 2 days, I leave on a 5-day vacation and am concerned about leaving this bathroom behind. I do not want it to be conquered while I'm gone, and have even considered staying home.