Common Firefly (Lightning Bug)
(Photinus pyralis)
Species Description
**Description:** Actually a beetle, these insects produce bioluminescent light to communicate with potential mates.
**Size:** Approximately 0.5 inches long.
**Sexual Dimorphism:** Males fly and flash to attract mates; in some species, females are flightless and stay on the ground.
**Life Cycle:** The larvae, known as "glowworms," are predatory and feed primarily on snails and slugs.
**Habitat:** Tall grasses and forest edges of the Kinzua valley during humid summer evenings.
**Size:** Approximately 0.5 inches long.
**Sexual Dimorphism:** Males fly and flash to attract mates; in some species, females are flightless and stay on the ground.
**Life Cycle:** The larvae, known as "glowworms," are predatory and feed primarily on snails and slugs.
**Habitat:** Tall grasses and forest edges of the Kinzua valley during humid summer evenings.