4 ms·Aside from that the sheer number of cicadas is astonishing.by ianhawes 5y agoAside from that the sheer number of cicadas is astonishing.Black101 5y agoI used to have a lot of them where I lived and I never noticed a problem... They are very loud but I would not kill them for it... They were mostly living in oak treesianhawes 5y agoYes, they were loud for roughly 4-6 weeks. They all died off prior to the end of June.