Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) eggs in circular patterns on a Cabbage (Brassica sp) leaf. Photomicrograph.

Simon Colmer / Cabbage whitefly eggs (Aleyrodes proletella) on purple sprouting broccoli leaves, UK

Klaus Echle / Cabbage White Butterfly (Aleyrodes protelella) on daisies. Black Forest, Germany, June.

Simon Colmer / Cabbage whitefly (Aleyrodes proletella) on broccoli leaf (Brassica oleracea) England, UK

Stephen Dalton / Whitefly {Aleyrodidae} greenhouse pest, UK

Stephen Dalton / Whitefly {Aleyrodidae} greenhouse pest, UK

Stephen Dalton / Whitefly {Aleyrodidae} pests of greenhouse plants, UK

Stephen Dalton / Whitefly {Aleyrodidae} pests of greenhouse plants, UK

PREMAPHOTOS / Whitefly nymphs (Aleyrodidae) protected by the long filaments of wax they produce, in rainforest, Queensland, Australia

Kim Taylor / Cabbage whitefly (Aleyrodes brassicae) on the underside of a broccoli leaf, Surrey, England

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) emerging from parasitized Glasshouse whitefly (Trialeurodes vaporarium) scale, a biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) among Glasshouse whitefly (Trialeurodes vaporariorum) scales, used as biological pest control, England, UK.

Nigel Cattlin / Glasshouse whitefly scales (Trialeurodes vaporariorum) and pupae parasitised by Parasitoid wasp (Eretmocerus eremicus), a biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus eremicus) among parasitised Glasshouse whitefly scales (Trialeurodes vaporariorum) and pupae, a biological pest control, England, UK.

Nigel Cattlin / Parasitoid wasp (Eretmocerus mundus) among its pest host Cotton whitefly (Bemisia tabaci) scales, on a leaf, England, UK.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) larvae, black larvae have been parasitised by Parasitoid wasp (Encarsia formosa), used as biological pest control in protected crops. England, UK.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) black larvae have been parasitised by Parasitoid wasp (Encarsia formosa), used as biological pest control in protected crops. England, UK.

Nigel Cattlin / Parasitoid wasp (Encarsia formosa) with parasitised Glasshouse whitefly (Trialeurodes vaporariorum) scales on a leaf, England, UK.

Nigel Cattlin / Glasshouse whitefly (Trialeurodes vaporariorum) black pupae parasitised by a Parasitoid wasp (Encarsia formosa) used in biological control of pests, England, UK.

Nigel Cattlin / Parasitoid wasp (Encarsia formosa) among parasitised Glasshouse whitefly (Trialeurodes vaporariorum) scales and pupae, some hatched, on a leaf, England, UK.

Nick Upton / Common pond skater / Water strider (Gerris lacustris) on surface of garden pond with Whitefly (Aleyrodidae) prey impaled on its rostrum, Wiltshire, UK. June.

Nigel Cattlin / Spiralling whitefly (Aleurodicus dispersus) adults and circular wax trails on the underside of a banana leaf, Mindanao, Philippines, February

Nigel Cattlin / Wooly whitefly (Aleurothrixus floccosus) with sooty mould on the honeydew, on the underside of a lemon tree leaf , Sorrento, Bay of Naples, Italy

Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) adult emerging from a pupa on a cabbage leaf surface, Devon, July

Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) eggs laid in a circle on a cabbage leaf, Devon, July

Nigel Cattlin / Cabbage whitefly (Aleyrodes proletella) with larval scales and eggs on a cabbage leaf Devon, England, UK.

Nigel Cattlin / Larval scales of Cabbage whitefly (Aleyrodes proletella) parasitised by a parasitoiid wasp (Encarsia tricolor) for commercial biological pest control

Nigel Cattlin / Parasitoid wasp (Encarsia tricolor) laying eggs, ovipositing in larval scales of Cabbage whitefly, (Aleyrodes proletella) pest

Nigel Cattlin / Parasitoid wasp (Encarsia tricolor) used for biological control with larval scales of cabbage whitefly (Aleyrodes proletella)