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

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

Stephen Dalton / Harlequin ladybird (Harmonia axyridis) in flight, invasive species, England, UK. March.

Paul Hobson / Harlequin Ladybird (Harmonia axyridis) melanic form, on turning leaf. Sheffield, October.

Chris Shields / Illustration of Kidney-spot ladybird / Harlequin beetle (Chilocorus renipustulatus).

Chris Shields / Illustration of Harlequin ladybird (Harmonia axyridis), four colour variants.

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) feeding on ivy flowers, UK

Cyril Ruoso / Harlequin ladybird (Harmonia axyridis) group overwintering under bark in crack in tree, non-native invasive species. Bourgogne-Franche-Comte, France. March.

Nigel Cattlin / Harlequin / Asian ladybird (Harmonia axyridis), larva Berkshire, England, UK.

Nigel Cattlin / Harlequin / Asian ladybird (Harmonia axyridis) larva with black spindle-thistle aphid prey (Aphis fabae cirsiiacanthoidis) Berkshire, June

Rod Williams / Harlequin ladybird (Harmonia axyridis) larva, Beverley Court Gardens, Lewisham, England, October

Rod Williams / Harlequin ladybird (Harmonia axyridis) Beverley Court Gardens, London, England, UK. April.

Ingo Arndt / Larva of Harlequin Ladybird (Harmonia axyridis), Germany

Rod Williams / Harlequin ladybird (Harmonia axyridis) cannibalising a larva, Brockley Cemetery, Lewisham, London UK August

John Abbott / Harlequin ladybird (Harmonia axyridis) flying, Tuscaloosa County, Alabama, USA Controlled conditions. January

John Abbott / Harlequin ladybird (Harmonia axyridis) flying, Tuscaloosa County, Alabama, USA Controlled conditions. January

Aflo / Harlequin ladybirds (Harmonia axyridis) estivating, Asuke, Aichi, Japan. February.

Alex Hyde / Harlequin ladybird (Harmonia axyridis) invasive species in the UK. Derbyshire, UK, August.

James Dunbar / Harlequin ladybird larva (Harmonia axyridis) Bristol, UK, August. Captive. Sequence 1 of 3

James Dunbar / Harlequin ladybird larva (Harmonia axyridis) chrysalis on white background, Bristol, UK, August. Captive. Sequence 2 of 3.

James Dunbar / Harlequin ladybird adult (Harmonia axyridis) adult, Bristol, UK, August. Captive. Sequence 3 of 3

MYN / Marc Pihet / Harlequin ladybird (Harmonia axyridis), Maine-et-Loire, France, September. meetyourneighbours.net project

MYN / Marc Pihet / Harlequin ladybird (Harmonia axyridis), Maine-et-Loire, France, September. meetyourneighbours.net project

MYN / Marc Pihet / Harlequin ladybird (Harmonia axyridis), Maine-et-Loire, France, September. meetyourneighbours.net project

Stephen Dalton / Harlequin ladybird (Harmonia axyridis) in flight, invasive species, England, UK. March.

Stephen Dalton / Harlequin ladybird larvae (Harmonia axyridis) Sussex, England, UK. July.

Alex Hyde / Harlequin Ladybird Larva (Harmonia axyridis). This is an invasive species in the UK. Derbyshire, UK, September.

Alex Hyde / Harlequin Ladybirds (Harmonia axyridis) showing various colour patterns, Derbyshire, UK, October. Invasive species.

Stephen Dalton / Harlequin ladybirds (Harmonia axyridis) hibernating. Sussex, England, UK, October. An alien species in UK, this beetle makes use of pheromones to attract others to aggregate in large groups when hiber...

Stephen Dalton / Harlequin ladybirds (Harmonia axyridis) showing two colour forms, Sussex, England, UK, January.

Rod Williams / Harlequin Ladybird (Harmonia axyridis) Lewisham, London, England, UK, May.

Chris Mattison / Harlequin ladybird (Harmonia axyridis). Yorkshire, UK. An invasive species from Asia.

Nick Upton / 2020VISION / Harlequin / Multicoloured Asian ladybird (Harmonia axyridis succinea) foraging on Beaked hawksbeard (Crepis vesicaria) flowers as volunteers walk past during Arnos Vale Cemetery Bioblitz, Bristol, UK,...

MYN / Niall Benvie / Harlequin ladybird (Harmonia axyridis succinea) Arnos Vale Cemetery, Bristol, UK May 2012 BioBlitz, meetyourneighbours.net project

Niall Benvie / Composite of insects, arachnids and plants found on the Arnos Vale BioBlitz, Bristol, UK, June 2012 meetyourneighbours.net project. Orange ladybird (Halyzia sedecimguttata), Ivy (Hedera helix), Green...

Paul Hobson / Harlequin Ladybird (Harmonia axyridis) melanic form, on turning leaf. Sheffield, October.

Paul Hobson / Harlequin Ladybird (Harmonia axyridis) larva, melanic form. Sheffield, UK, August.

Paul Hobson / Harlequin Ladybird (Harmonia axyridis succinea) orange with black spots. Sheffield, UK, September.

Rod Williams / Harlequin ladybird (Harmonia axyridis) newly emerged adult inflating wings, on Sycamore leaf, South London, UK, October

Rod Williams / Harlequin ladybird (Harmonia axyridis) pupa on leaf, South London, UK, August

Rod Williams / Harlequin ladybird (Harmonia axyridis) on leaf, South London, UK, August

Rod Williams / Harlequin ladybird (Harmonia axyridis) on leaf, South London, UK, August

Rod Williams / Harlequin ladybird (Harmonia axyridis) adult beside pupa case, South London, UK, August

Rod Williams / Harlequin ladybird (Harmonia axyridis) larva, South London, UK, August

Nick Upton / 2020VISION / Harlequin / Multicoloured asian lady beetles (Harmonia axyridis succinea) mating on Rose (Rosa sp.) leaf in a garden, as the female eats a Rose aphid (Macrosiphum rosae), Wiltshire, England, UK, May ....

Nick Upton / 2020VISION / Harlequin / Multicoloured asian lady beetle (Harmonia axyridis succinea) predating Rose aphid (Macrosiphum rosae) on Rose bush (Rosa sp.) in garden, Wiltshire, England, UK, May . Property released.

Nick Upton / 2020VISION / Harlequin / Multicoloured asian lady beetle (Harmonia axyridis succinea) predating Rose aphid (Macrosiphum rosae) on Rose bush (Rosa sp.) in garden, Wiltshire, England, UK, May . Property released.

Stephen Dalton / Harlequin Ladybird (Harmonia axyridis succinea) on the escape key of a computer keyboard. UK, January.

Nick Upton / Eggs of Harlequin / Multicoloured Asian ladybird (Harmonia axyridis) on Rose leaf near some dead Rose aphids (Macrosiphon rosae) a prey species. Wiltshire garden, UK, May.

Nick Upton / Harlequin / Multicoloured Asian ladybird (Harmonia axyridis - succinea form) hunting Rose aphid (Macrosiphon rosae) on Rose bud. Wiltshire garden, UK, May.

Nick Upton / Harlequin / Multicoloured Asian ladybird (Harmonia axyridis - succinea form) attacking Rose aphids (Macrosiphon rosae) on Rose bud, as some escape to the tip of the bud. Wiltshire garden, UK, May.

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) pupa Sussex, UK

Kim Taylor / Harlequin Ladybird (Harmonia axyridis succinea) against a white background. Surrey, UK, May.

Nick Upton / Copulating Harlequin / Multicoloured Asian ladybirds (Harmonia axyridis - succinea form) one with two small spots, one multispotted. Wiltshire garden, UK, June

Nick Upton / Harlequin / Multicoloured Asian ladybird (Harmonia axyridis succinea) portrait, resting on leaf. Wiltshire garden, UK, April.

Nick Upton / Multicoloured Asian / Harlequin ladybird (Harmonia axyridis spectabilis) black form with four red spots, recently emerged from hibernation, sun basking on a leaf. Wiltshire garden, UK, April 2010.

Simon Colmer / Multicoloured Asian / Harlequin ladybird (Harmonia axyridis) pupa on Clover leaf (Trifolimum sp.) England, UK

Nick Upton / Harlequin / Multicoloured asian ladybird (Harmonia axyridis) on flower, an invasive species spreading north through Europe since 2001, Marburg, Hesse, Germany

Stephen Dalton / Harlequin / multicoloured asian ladybird {Harmonia axyridis} UK, introduced species

Mark Bowler / Harlequin / Multicoloured asian ladybird {Harmonia axyridis} orange colouration

Mark Bowler / Harlequin / Multicoloured asian ladybird {Harmonia axyridis} red and black colouration, on plant, UK

Mark Bowler / Harlequin / Multicoloured asian ladybird {Harmonia axyridis} black colouration

Mark Bowler / UK Ladybird species, native and invasive, from left to right: Seven-Spot (Coccinella 7-punctata), Harlequin (Harmonia axyridis), Harlequin morph, Two-Spot (Adalia bipunctata), Fourteen-Spot (Propylea...

Dave Bevan / Harlequin / Multicoloured asian ladybird (Harmonia axyridis) feeding on the pollen of flowerss, UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird larva (Harmonia axyridis) UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) on nettle, UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) feeding on ivy flowers, UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) pupa on leaf, UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) on nettle, UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) pupa on leaf, UK

Solvin Zankl / Harlequin / Multicoloured asian ladybird (Harmonia axyridis) on Dandelion seedhead, Germany

Adrian Davies / Harlequin / Multicoloured Asian Ladybird {Harmonia axyridis} UK

Simon Colmer / Multicoloured / Asian / Harlequin Ladybird (Harmonia axyridis) on Euphorbia, Essex, UK

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

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

Nigel Cattlin / Harlequin ladybird (Harmonia axyridis) eggs on a strawberry leaf Berkshire, England, UK.

Nigel Cattlin / Harlequin / Asian ladybird (Harmonia axyridis) adult with black background and four red irregular spots, a variant colour type, Berkshire, England, UK. June

Nigel Cattlin / Photomicrograph of a Harlequin / Asian ladybird, (Harmonia axyridis) larva, predator of aphids and other small arthropods. Berkshire, England, UK.

Chris Shields / Illustration of Asian lady beetle / Japanese ladybug / Harlequin ladybird (Harmonia axyridis), Coccinellidae.

Chris Shields / Illustration of Asian lady beetle / Japanese ladybug / Harlequin ladybird (Harmonia axyridis), Coccinellidae.

Kim Taylor / Harlequin ladybird (Harmonia axyridis succinea) newly-formed pupa on nettle leaf, Surrey, England

Kim Taylor / Harlequin ladybird (Harmonia axyridis succinea) newly-formed pupa on nettle leaf, Surrey, England

Rod Williams / Harlequin Beetle / Ladybird (Harmonia axyridis succinea) on sage, South London, June 2OO8

Paul Harcourt Davies / Harlequin ladybirds (Harmonia axyridis) hibernating in the corner of an unheated bathroom. Podere Montecucco, Umbria, Italy. November.

Nigel Cattlin / Early instar orange and black harlequin ladybird (Harmonia axyridis) larva on fennel leaves, Berkshire, England, June

Nigel Cattlin / Harlequin ladybird (Harmonia axyridis) early instar larva feeding on an aphid pest on fennel leaves, Berkshire, England, June

Nick Upton / Yellow swarming fly (Thaumatomyia notata) swarm aggregating in house above window alongside Cluster fly (Pollenia sp) and Harlequin ladybird (Harmonia axyridis). Wiltshire, England, UK. September.

Nigel Cattlin / A mating pair of Harlequin ladybirds (Harmonia axyridis) on apple leaves damaged by leaf-curling aphids (Dysaphis sp.). Two colour variations. Berkshire, June

Rod Williams / Harlequin ladybirds (Harmonia axyridis) mating pair Sutcliffe Park Nature Reserve, Eltham, London, England, UK. May.