Here's another tool for you to use after the Apocalypse: the Snail Mini Dynamo LED Anti-Mosquito Flashlight. That's a long name for a short list of features, including a handcranked flashlight and alleged anti-mosquito capabilities.
Since mosquito repelling is so hard to measure, this is a growth area for flimflam and quackery. Buyer beware.
Here's a compelling idea: a T-shirt that repels mosquitoes. It's a great concept as long as you don't mind being bitten 35 times. Consumer Reports gave the Buzz Off Flick Tee a try, with disappointing results:
Here's one of those things that probably doesn't work, but it would really be great if it did: a mosquito-repelling necklace. This battery-operated device transmits high-pitched noises that are obnoxious to them 'skeeters, chasing them away and keeping them from sucking your blood. The company says it's effective up…