Nigel Cattlin / Glasshouse / Tuber mealybugs (Pseudococcus viburni) on stem of house plant, close up. UK, January.

Nigel Cattlin / Glasshouse / Tuber mealybugs (Pseudococcus viburni) on stem of house plant, close up. UK, January.

Nigel Cattlin / Glasshouse mealybug (Pseudococcus viburni) infestation on Bougainvillea (Bougainvillea sp) peduncle in conservatory, UK. August.

Nigel Cattlin / Glasshouse mealy bug (Pseudococcus viburni) honeydew from infestation on Lemon (Citrus limon) fruit, cultivated in conservatory.

Nigel Cattlin / Glasshouse mealy bug (Pseudococcus viburni) infestation on Lemon (Citrus limon) fruit, cultivated in conservatory.

Doug Wechsler / Mealy bugs on Wood Nettle (Laportea canadensis) urticating hairs, Fairmount Park, Wissahickon, Philadelphia, Pennsylvania, USA, May.

Nigel Cattlin / Glasshouse mealybug (Pseudococcus viburni) infesting the swollen stem of a Bunny-ears cactus, (Opuntia microdasys).

Paul Harcourt Davies / Citrus mealybugs (Planococcus sp.) resting on leaf, Umbria, Italy. May.

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.