In Northern Territories, the flies tended to ease up a bit when the sun went down; but that is not the end of the bugs. That’s when the gnats and bigger stuff swarms toward any light source, and you have to resort to blackout conditions to survive. The swarm can be insanely large and determined.
One evening, I recorded the sound of the night-swarm striking the canvas of the camper-van’s pop-up roof. Click the play button below to have a listen. The clicks and pops you hear are not static — each is the sound of a single bug striking the canvas.
By the way, the picture on the left is of makeshift, bug-killing weapons we constructed.
Push the play button to listen.