The results of the love bugs flying around now is their children will feed on decaying vegetation so, unless we all want to see and smell all the vegetation just sitting there and not getting processed, the love bugs are, well, go see It's Tough to be a Bug. Love bugs are beneficial to speeding up decay going away so us humans aren't offended by all that. The kid love bugs will hatch in about 4 days and then live for a whopping 9 months at most. Hence, the two cycles a year. The only harm in love bugs is the acidic nature of their blood which, surprising, is a result of their small bodies trying to ward off predators.