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"The female is chiefly luminous. It is a flat, grayish-brown creature, rather more than half an inch long, and quite destitute of wings. The male, on the contrary, is active, and flies well; and the luminosity of the emale appears to be intended to attract her volatile companion." — Goodrich, 1859

Glowworm

"The female is chiefly luminous. It is a flat, grayish-brown creature, rather more than half an inch…

A genus of fireflies. Their larva are known as glowworms.

Lampyris Savignii

A genus of fireflies. Their larva are known as glowworms.

Various species of insect larva which glow through bioluminescence.

Glowworm

Various species of insect larva which glow through bioluminescence.

The Common Glowworm (Lampyris noctiluca) is a species of beetle in the Lampyridae family of fireflies.

Common Glowworm

The Common Glowworm (Lampyris noctiluca) is a species of beetle in the Lampyridae family of fireflies.

"Common Firefly (Photinus pyralis). a, larva; b, pupa in its earthen cell; c, beetle. d, e, f, leg, under side of segment, and head of larva." -Whitney, 1911

Common Eastern Firefly

"Common Firefly (Photinus pyralis). a, larva; b, pupa in its earthen cell; c, beetle. d, e, f, leg,…