Erlend Haarberg / Midges (Chironomus islandicus) on a 'No Walking' sign, Myvatn, Iceland, May

David Perpinan / Small group of Non-biting chironomid midges (Chironomidae) flying among the vegetation, Barcelona, Spain, May.

David Perpinan / Non-biting chironomid midges (Chironomidae) larvae at bottom of riverbed, Barcelona, Spain. May.

David Perpinan / Rack focus between Non-biting chironomid midges (Chironomidae) and Mosquito larva (Culex sp.) on the water's surface and unidentified Polychaetes underwater, Barcelona, Spain, May. Controlled conditio...

David Perpinan / Non-biting chironomid midge (Chironomidae) resting on surface of water while its exoskeleton hardens, surrounded by Mosquito larva (Culex sp.), Barcelona, Spain, May. Controlled conditions.

Edwin Giesbers / Buzzer midge (Chironomus plumosus) swarm above grasses, in evening light. The Netherlands. July.

Edwin Giesbers / Buzzer midge (Chironomus plumosus) swarm at night. The Netherlands. July.

Edwin Giesbers / Buzzer midge (Chironomus plumosus) swarm at night, movement trails, long exposure. The Netherlands. July.

Rod Williams / Non-biting midge (Chironomus luridus) Sutcliffe Park Nature Reserve, Eltham, London, England, UK. June

Andy Sands / Mosquito (Chironomus sp.) male mosquito resting on grass, Hertfordshire, England, UK. April

Tom Gilks / Fishing boat with swarm of Lake flies (Chironomid sp) swarming in background, Lake Victoria, Kenya, February 2013.

Jan Hamrsky / Non-biting midge (Chironomidae) adult male, Europe, January, controlled conditions.

Jan Hamrsky / Non-biting midge (Chironomidae) pupa, Europe, January, controlled conditions. Image taken using digital focus stacking.

Jan Hamrsky / Non-biting midge larva (Chironomidae) in the shelter attached to the stone, Europe, August, controlled conditions

Jan Hamrsky / Non-biting midge larva (Chironomidae) hidden in its shelter and collecting organic debris from the current, Europe, May, controlled conditions

Jan Hamrsky / Non-biting midge larvae (Chironomidae) in the shelter attached to the freshwater sponge (Spongilla lacustris) Europe, August, controlled conditions

Jan Hamrsky / Non-biting midge larvae (Chironomidae) in the shelter attached to the freshwater sponge (Spongilla lacustris) Europe, August, controlled conditions

Nick Upton / Non-biting chironomid midges (Chironomidae) silhouetted as they mate under a leaf, with the female hanging below a male with plumose antennae, Wiltshire garden, UK, April.

Nick Upton / Male Non-biting chironomid midge (Chironomus sp.) with plumose antennae resting on a dead plant stem on heathland, Sandy, Bedfordshire, UK, April.

Erlend Haarberg / Photographer Orsolya Haarberg surrounded by swarming Midges (Chironomus islandicus) Myvatn, Iceland, June 2008, model released

Stephen Dalton / Non-biting midge (Chironomus sp) flying, UK, controlled conditions

Willem Kolvoort / Non biting midge eggs (Chironomus plumosus) in canal near Zwolle, Holland

Willem Kolvoort / Eggs of Non-biting midges (Chironomidae) attached to freshwater vegetation, Holland

Willem Kolvoort / Eggs of Non-biting midge (Chironomidae) on freshwater vegetation, note water mite on eggs, Holland

Kim Taylor / Non-biting midge larvae {Chironomus plumosus} showing gills and false legs, UK.

Kim Taylor / Non biting midge larvae {Chironomus plumosus} showing gills and false legs, UK.

Kim Taylor / Non-biting midge egg masses {Chironomus plumosus} UK.

Kim Taylor / Non-biting midge {Chironomidae} male showing plumed antennae, UK

Kim Taylor / Non-biting midge {Chironomidae} male showing plumed antennae, UK

Kim Taylor / Non-biting midge (Chironomus plumosus) egg masses in transparent jelly, UK.

Kim Taylor / Non-biting midge (Chironomus plumosus) larvae showing gills + false legs, UK

Kim Taylor / Non-biting midge (Chironomus plumosus) larvae showing gills and false legs,

Premaphotos / Non-biting midges (Chironomidae) in mating swarm beside a reservoir, UK

Premaphotos / Non-biting midge (Chironomus plumosus) female, UK