Neniiii

so after my ceiling tile fell of i saw this 2 weird insects that look like black thread and its creepy.At first i though it was just so thread with like dust of something.But the more i looked at it i realized its moving. but it doesnt look like a insect i ever seen before and im terrified.but the creppy this that it move vertically and its weird. i found the solution now tysm for the help.