Gnats (although they may be "colloquially" equivalent to mosquitoes in some parts of the world), are not the same insect. Other than the fact that they both belong to the same family (2 winged) and their larvae are both water borne, they don't actually bear a lot of resemblance to one another. There are only one or two gnats that are "carnivorous" and in general they're really quite harmless unless you have houseplants lol.
Flopsy (and others) are quite correct on the tchotchke thang. In its original connotation (by the way, the Yiddish transliteration is something like tshatshke) the word equates to "bauble", pretty object or cheap object. No surprise that it is also used as a derogatory term.
Bubbatom: they're usually missing a U instead lol
I cannot even imagine where I would be today were it not for that handful of friends who have given me a heart full of joy. Let's face it, friends make life a lot more fun.
Charles R. Swindoll