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

Edwin Giesbers / Konik Wild Horse (Equus ferus caballus) in grasslands with Purple loosestrife flowers (Lythrum salicaria) in foreground. The Netherlands, July.

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012. Did you know? Dragonflies and damselflies are easy to distinguish...

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Mark Hamblin / 2020VISION / Male Banded demoiselle (Calopteryx splendens) on Purple loosestrife (Lythrum salicaria) flower, Bedfordshire, England, UK, July 2012.

Mark Hamblin / 2020VISION / Flowering Purple loosestrife (Lythrum salicaria), Bedfordshire, England, UK, July.

Doug Wechsler / Snowberry clearwing (Hemaris diffinis) feeding at a Purple loosestrife (Lythrum salicaria) flower, Salem County, New Jersey, USA, August.

Gary K. Smith / Purple loosestrife (Lythrum salicaria) in flower, UK, July

LYNN M. STONE / Bumble bee (Bombas sp) on Whorled loosestrife (Lysimachia quadrifolia) flower, East Haddam, Connecticut, USA, July

Florian Möllers / Tufted loosestife (Lysimachia thyrsiflora) flowers, Germany, June

Ross Hoddinott / Garden tiger moth (Arctia caja) resting on Purple loosestrife (Lythrum salicaria), Dunsdon Nature Reserve, Devon, UK, June

Ian Lockwood / Loosestrife (Lysimachia leschenaultiana) a rare and beautfiul plant found in marshes in elevated hill ranges of Western Ghats, Southern India

Russell Cooper / Banded Demoiselle (Calopteryx splendens) female after a rain shower, at rest on Purple Loosestrife flowers. South London, England, UK.

Andy Sands / Loosetrife Weevil (Nanophyes marmoratus Goeze) on petal of Purple Loosetrife flower, UK, Captive

Wild Wonders of Europe / Radisics / Purple loosestrife (Lythrum salicaria) in flower, Hortobagy National Park, Hungary, July 2009

Guy Edwardes / Marbled white butterfly (Melanargia galathea) on Purple-loosestrife (Lythrum salicaria) flower spike, Dorset, UK, July

Silvia Reiche / Map Butterfly (Araschnia levana) on Yellow Loosestrife (Lysimachia vulgaris), Hoogeloon, Noord-Brabant, Netherlands

Silvia Reiche / Map Butterfly (Araschnia levana) on Yellow Loosestrife (Lysimachia vulgaris), Hoogeloon, Noord-Brabant, Netherlands

MYN / Niall Benvie / Purple loosestrife {Lythrum salicaria} Scotland, UK meetyourneighbours.net project

Andy Sands / Holly Blue butterfly (Celastrina argiolus) wings closed, feeding on Purple Loosestrife, West Sussex, England, UK

Andy Sands / Dark Bush Cricket (Pholidoptera griseoaptera) On Purple Loosestrife, Hertfordshire, England, UK

Andy Sands / Southern Hawker Dragonfly (Aeshna cyanea) resting on Purple Loosestrife flower, Hertfordshire, England, UK

Ross Hoddinott / Small skipper butterfly {Thymelicus sylvestris} on Purple loosestrife flower, covered in morning dew, with proboscis extended, Tamar lakes, Cornwall, UK

Bernard Castelein / Purple loosestrife flowers {Lythrum salicaria} Belgium

Simon Colmer / Purple Loosestrife (Lythrum salicaria) Stedham Common Nature Reserve, Sussex, UK

Philippe Clement / Purple loosestrife in flower {Lythrum salicaria} France

Philippe Clement / Purple loosestrife in flower {Lythrum salicaria} France

Philippe Clement / Purple loosestrife in flower {Lythrum salicaria} France

Jan Vermeer / Purple Loosestrife (Lythrum salicaria) flowering invasive plant, native to Asia, introduced into North America

Tony Evans / Purple loosestrife {Lythrum salicaria} beside water, Norfolk Broads, England

Will Watson / Worcester cathedral, meadow and drainage ditch with wild flowers, England Purple

Geoff Simpson / Purple loosestrife flowering {Lythrium salicaria} Lancashire, UK

Rod Williams / Comma butterfly (Polygonia C-album) feeding on Purple Loosestrife flowers, Barn Elms, London, UK, July