Mark Hamblin / 2020VISION / Male Red eyed damselfly (Erythromma najas) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Theo Bosboom / Red eyed damselfly (Erythromma najas) on water lily pad in a small farm pond, Gelderland, the Netherlands, July.

Kim Taylor / Small red-eyed damselfly (Erythromma viridulum) Bulgaria, July.

Peter Schwarz/ BIA / Damselfly (Erythromma sp) head and compound eyes, Hesse, Germany

MYN / Dirk Funhoff / Small red-eyed damselfly (Erythromma viridulum), Göttelborn, Pfalz, Germany. August. Meetyourneighbours.net project

Pascal Pittorino / Goblet-marked damselfly female (Cercion lindenii) on a branch in garden, Var, Provence, France, June.

Willem Kolvoort / Red eyed damselfly (Erythromma najas) resting on Yellow water-lily (Nuphar lutea) North Holland. June.

Ammonite / Pair of Red-eyed damselflies (Erythromma najas) in tandem, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Ammonite / Pair of Red-eyed damselflies (Erythromma najas) in tandem pulled underwater by surface tension whilst laying eggs beneath the surface of a pond, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Ammonite / Pair of Red-eyed damselflies (Erythromma najas) in tandem laying eggs beneath the surface of a pond, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Ammonite / Several pairs of Red-eyed damselflies (Erythromma najas) in tandem flying above and settling on a pond to lay eggs beneath the surface, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Ammonite / Several pairs of Red-eyed damselflies (Erythromma najas) in tandem flying above and settling on a pond to lay eggs beneath the surface, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Ammonite / Several pairs of Red-eyed damselflies (Erythromma najas) in tandem flying above and settling on a pond to lay eggs beneath the surface, Hickling Broad NWT reserve, Norfolk, England, UK, June.

Nick Upton / Common blue damselflies (Enallagma cyathigerum) and a Red-eyed Damselfly (Erythromma najas) sunning on vegetation fringing a lake in sunset light, Wiltshire, UK, July.

Jussi Murtosaari / Red-eyed Damselfly (Erythromma najas) male in habitat, eastern Finland, July.

Will Watson / Pair of Small Red-eyed damselflies (Erythromma viridium) on blanket weed, mating, Herefordshire, England, UK, July

Will Watson / Pair of Small Red-eyed damselflies (Erythromma viridium) on blanket weed, prior to mating, Herefordshire, England, UK, July

Steve Knell / Red-eyed damselfly (Erythromma najas) male on pondweed, Northamptonshire, England, July

Willem Kolvoort / Red eyed damselflies (Erythromma najas) mating and laying eggs in stem of Yellow water lily (Nuphar lutea) Lake Naarden, Holland

Willem Kolvoort / Red eyed damselfly (Erythromma najas) laying her eggs in stem of White water lily (Nymphaea alba)Lake Naarden, Holland

Ross Hoddinott / Male Red-eyed damselfly (Erythromma najas) resting on reed and backlit in early morning sunshine. Somerset Levels, Somerset, UK. July.

Mateusz Piesiak / Pair of Red-eyed damselfly (Erythromma najas) perched on grass blade, at sunset, Poland. June.

Jussi Murtosaari / Red-eyed damselfly (Erythromma najas), male and female copulating, Finland, June.

Jussi Murtosaari / Red-eyed damselfly (Erythromma najas) pair in mating wheel on stem above water. Huikko, Finland. June.

Jussi Murtosaari / Red-eyed damselfly (Erythromma najas) pair in mating wheel on leaf. Huikko, Finland. June.

Jan Hamrsky / Damselfly nymph (Erythromma najas), Europe, April, controlled conditions

Jan Hamrsky / Damselfly nymph (Erythromma najas), Europe, April, controlled conditions

Konrad Wothe / Raft Spider (Dolomedes fimbriatus) withfemale Small Red-eyed Damselfly (Erythromma viridulum) prey on water surface, Upper Bavaria, Germany, May.