Alex Hyde / Long exposure of light trail from bioluminescent click beetle (Pyrophorus sp) walking on ground at night. Danum Valley Sabah, Borneo.

Kim Taylor / Click beetle (Pyrophorus sp) showing orange bioluminescence, Costa Rica

Kim Taylor / Tropical luminous click beetle {Pyrophorus sp.} Trinidad, West Indies. Note - photographed by its own bioluminescence

Kim Taylor / Tropical luminous click beetle {Pyrophorus sp} showing bioluminescence. Composite image showing beetle before take-off and in flight with green thoracic and orange abdominal lights glowing strongly. T...

Paul Williams / Trilobite beetle, (Duliticola hoiseni) Kinabalu National Park, Sabah, Borneo.

MYN / Dirk Funhoff / Click beetle (Ampedus sanguineus), Staudernheim, Pfalz, Germany. June. Meetyourneighbours.net project

MYN / Dirk Funhoff / Click beetle (Ampedus sanguineus), Staudernheim, Pfalz, Germany. June. Meetyourneighbours.net project

Clay Bolt / Bioluminescent click beetle (Pyrophorus sp), Cocobolo Nature Reserve, Panama

John Abbott / Blind click beetle (Alaus myops), Tuscaloosa County, Alabama, USA Controlled conditions. May

Nick Upton / Chequered click beetle (Prosternon tessellatum) feeding on pollen of a Cabbage tree / Torquay palm (Cordyline australis) in a garden planted with flowers to attract pollinators, Dungeness, Kent, UK.

MYN / Javier Aznar / Click beetle (Elateridae) in cloud forest, Mashpi, Ecuador. Meetyourneighbours.net project

Chien Lee / Malaysian Click Beetle (Oxynopterus auduoin) showing antennae, Sarawak, Borneo, Malaysia