Over 40 varieties of fireflies have been seen in Indiana. And while most folks will simply recognize all fireflies as a state insect, Purdue University entomologists distinguished several characteristics that set Say’s Firefly apart for the sticklers:
First sighted: Say’s Firefly is one of the earliest emerging fireflies in our area and may be seen from early May through mid-July.
Home/Range: They occur primarily around wetlands and in wooded areas adjacent to them. Though you may sometimes see dozens at once, usually you will see only one or two males at a time as they meander silently around high foliage.
Identifying behavior: The flash is amber in color and is in the form of a rapid flicker composed of 8-12 rapid pulses (like watching an old time movie) and lasts for approximately 1 second with a 2-4 second delay between flashes.
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Be sure to check out these websites for more information about fireflies: