1. they rebuilt shakespeare's globe theatre in the 1990s.2. people all over the world read j. k. rowling's books.3. he wrote his manuscripts on a typewriter.4.they update the information in the online encyclopaedia every day.5. several artists illustrated the original marvel superhero comics.
Of course they looks ugly, but they make useful things such as collecting rubbish. But also this insects have disadvantages too and this disadvantages are really very serious! The mail problem of them it's their ability to spread infections.
In conclusion i want to add that we need to overcome problems which connected with insects, but we mustn't kill them, because insects also make a lot of usefull things for us.