Nigel Cattlin / Citrus mealybug (Planococcus citri) infestation on the leaves and stem of a bougainvillea (Nyctaginaceae) grown on a conservatory, Berkshire, UK, April.

Nigel Cattlin / Glasshouse mealybug (Pseudococcus viburni) infestation on the stem of a glasshouse tomato (Solanum lycopersicum) crop, Berkshire, UK, October.

Nigel Cattlin / Glasshouse mealybug (Pseudococcus viburni) infestation on the stem of a glasshouse tomato (Solanum lycopersicum) crop, Berkshire, UK, October.

Nigel Cattlin / Cocoa or coffee mealybug (Planococcus lilacinus) infestation on mature unripe green cocoa (Theobroma cacao) pods, Malaysia, February

Nigel Cattlin / Cocoa or coffee mealybug (Planococcus lilacinus) infestation on mature unripe green cocoa (Theobroma cacao) pods, Malaysia, February

Nigel Cattlin / Glasshouse mealbugs (Pseudococcus viburni) with their waxy extrusions along the leaf vein of a Bougainvillea house plant

Nigel Cattlin / Glasshouse mealybug (Pseudococcus viburni) on conservatory Bougainvillea plant , Devon, England, UK. August.