Glow Worms (12 images)

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Glow 'worms' (Lampyris noctiluca) are actually a type of beetle. On summer nights the flightless female glow worm climbs a grass stem, or other vegetation, and emits a bright chemical light from her lower abdomen to attract a mate. Sightings of these creatures in the UK are increasingly rare as urban light pollution and pesticides take their toll on suitable habitat.