Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, Japan endemic species, Nichinan-chou, Tottori, Japan, July

Yukihiro Fukuda,Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, Japan endemic species, Hino-River, Nichinan-chou, Tottori, Japan, July

Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, Japan endemic species, Hino-River, Nichinan-chou, Tottori, Japan, July

Yukihiro Fukuda,Yukihiro Fukuda / Japanese fireflies (Luciola cruciata) in flight at night, endemic species, Yaku-shima UNESCO World Heritage Site, Kagoshima, Japan, May

Mark Bowler / Fireflies {Lampyridae} in rainforest, Singapore.

Juergen Freund / Timelapse of Fireflies (Lampyridae) at dusk, Atherton Tablelands, North Queensland, Australia.

Bruno D'Amicis / Fireflies (Luciola sp.) males displaying at dusk over a wheat field. Abruzzo, Italy.

MYN / Dirk Funhoff / Glowworm (Lampyris noctiluca), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

MYN / Dirk Funhoff / Glowworm (Lampyris noctiluca), Lorsch, Hessen, Germany. Meetyourneighbours.net project.

John Abbott / Eastern firefly (Photinus pyralis) flying, Tuscaloosa County, Alabama, USA Controlled conditions. June

Nick Garbutt / Synchronous fire flies (Pteroptyx sp.) mangroves along the Kinabatangan River, Sabah, Borneo.

Kerstin Hinze / Light trails of Firefly (Lamprohiza splendidula), males flying at night in woodland, Lower Saxony, Germany, June.