Those floating incandescent insects that are harmless, only come out during a short period in the summer, and are known by many names—most commonly either lightning bugs or fireflies.

Narrator: There are over 2,000 individual firefly species, all within the taxonomic family of Lampyridae, which is pretty easy to remember. And these lightning bugs with their flickering light ...

In a state where lightning bugs are a rare sight, these recent appearances are delightful and intriguing. Here's what to know ...