Many tropical insects are already close to their heat tolerance limits, raising concerns that rising temperatures could disrupt ecosystems.

Half of the one million animal and plant species on Earth facing extinction are insects, and their disappearance could be catastrophic for humankind, scientists have said in a "warning to humanity".

On warm summer nights, green lacewings flutter around bright lanterns in backyards and at campsites. The insects, with their veil-like wings, are easily distracted from their natural preoccupation ...