Insect Larva That Gives Off Light
Puzzle 16 of Deserts Medium Pack
Question is: Insect Larva That Gives Off Light
and the answer is: GLOWWORM
Word Meaning:
GLOWWORM — The larva or wingless grub-like female of a beetle from the families Phengodidae or Lampyridae that gives out a green light from its abdomen.
Definitions from Wiktionary.