National Geographic : 1952 Apr
448 New Zealand Embassy Millions of Shining Glowworms Make Waitomo Caves an Insects' Milky Way Boat and passengers drift silently, for any sound extinguishes the gleaming canopy. Noise means danger to these insect larvae, and they react to it as quickly as light bulbs to the flip of a switch. Inset: The glowworm's silky web, spun against the vault of the grotto, entangles flies and midges charmed by its glimmer. Here sticky beads hold a victim in a flypaper vise, awaiting a hungry glowworm's pleasure (page 419).