Across Indiana, the Midwest, and much of the South, we more often say “lightning bug.” It’s kind of like the soda vs. pop debate. When Will Lightning Bugs Appear in Indiana? Lightning bug activity is ...

In fact, Indiana’s state insect is a lightning bug. There are about 40 species of what are called Lampyridae, or light-emitting beetles, in Indiana and more than 1,900 types worldwide.