Whether you call them fireflies or lightning bugs , they're the same. I grew up referring to them as lightning bugs. When I was a little girl, it was such fun to be outside after dark chasing lightning bugs. Now, after dark this time of year, I don't see a lot of lightning bugs anymore. Where'd they all go? Are fireflies disappearing? Well...according to Ben Pfeiffer of Firefly.org , the past few decades with the increase in development, chemical and light pollution, it has limited our firefly populations. Residential and commercial developments have disrupted or even eliminated fireflies...