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

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

Doug Wechsler / Eyed click beetle (Alaus oculatus) adult on rotten log, Pennsylvania, USA, August.

Doug Wechsler / Eyed click beetle (Alaus oculatus) metamorphosing from pupa to adult, Pensylvania, USA, August.

John Cancalosi / Coquina, a sedimentary rock that is composed either wholly or almost entirely of the transported, abraded, and mechanically-sorted fragments of the shells of molluscs, trilobites, brachiopods, or othe...

MYN / Tim Hunt / Garden click beetle (Athous haemorrhoidalis) resting on a grass stem, Barnt Green, Worcestershire, England, UK, May.