By hover, I guess you you mean hoover I think I'd need a lot of time and patience to vaccuum off aphids, and I think it would be just as easy to squish them individually but then I'd have to do it again the next day.
As for fruitflies, I use a "wasptrap" or bowl of cider vinegar or fruitjuice to catch/kill them.
As for fruitflies, I use a "wasptrap" or bowl of cider vinegar or fruitjuice to catch/kill them.