Pif-Paf is a a popular aerosol insecticide over there. Works great. I have no idea what it contains but it will kill everything...maybe even your coworkers. The flies and mosquitos in early spring and summer will overwhelm the living areas so it is somehow satisfying, albeit in a primitive way, to lay waste to the little pests before trying to get some rest.
"It's the little things in life..." (did I mention SAR is mostly boredom?)