The Common Eastern Firefly is the familiar summer lightning bug of eastern lawns and meadows, flashing a distinctive J-shaped yellow-green signal every 5–6 seconds. Both larvae and adults are bioluminescent.
Habitat
Moist meadows, forest edges, and suburban lawns east of the Rockies
Diet
Larvae: small insects, worms, and snails. Adults: nectar or may not feed
How common
Common
Best time to see a Common Eastern Firefly
The best time to see a Common Eastern Firefly is June–July, when about 84% of U.S. sightings happen, based on 15,633 research-grade iNaturalist observations.
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5,300+species
63national parks
50states