Duncan Murrell / New Zealand giraffe weevil (Lasiorhynchus barbicornis), Lake Waikaremoana, North Island, New Zealand. New Zealand giraffe weevil is endemic to New Zealand and is its longest beetle in the world.

Nigel Cattlin / Harlequin ladybird (Harmonia axyridis) larvae still with a raft of empty egg cases, June Berkshire, England, UK.

John Abbott / Glorious scarab (Chrysina gloriosa) flying, Brewster County, Texas, USA. Controlled conditions. August

Solvin Zankl / Stag beetle (Lucanus cervus) silhouetted against oak tree leaf. Elbe, Germany, June.

Adrian Davies / Stag beetle (Lucanus cervus) male silhouetted against leaf, controlled conditions.

Pascal Pittorino / Ground beetle (Carabus hispanus) resting on a leaf of Hydrangea (Hydrangea sp), Lozere, Cevennes, Languedoc Roussillon, France, July.

Alex Hyde / Green Dock Beetle (Gastrophysa viridula) female with huge abdomen swollen with eggs. Peak District National Park, Derbyshire, UK. May.

Cyril Ruoso / Leaf Beetle (Chrysomelidae), Pacaya Samiria National Park, Peru

Stephen Dalton / Harlequin ladybird (Harmonia axiridis) on end of leaf, invasive species. Sussex, England, UK. March.

Krista Schlyer / Seven-spotted lady beetle (Coccinella septempunctata) inside the funnel leaf of Pitcher plant, Alabama, USA. May 2014.

Nick Upton / Bloody-nosed beetles (Timarcha tenebricosa) mating on a grass stem in a chalk grassland meadow, Wiltshire, UK, April.

Nature Production / Japanese firefly (Luciola cruciata) on leaf at night, with light trails of hundreds of other fireflies in flight in the background, Japan