McMaster insect physiologist, Rosa da Silva says the presence of the fish flies are a sign of a healthy environment. Unusual life cycleAccording to McMaster University insect physiologist, Rosa da Silva, the fish fly has a distinct life. A sad life, says da Silva, because essentially it's life purpose is to just mate for a few days. A sign of a healthy environmentOne good thing about the fish fly is what its presence represents. Da Silva says Lake Erie tends to get them and some areas in Michigan.

Source: CBC News August 09, 2017 22:44 UTC