Detection of Protopulvinaria pyriformis (Pyriform scale) in Western Australia

Fecha de publicación
Jue, 04 May 2017, 01:27
Última actualización
Mayo 4, 2017, 1:27 a.m.
Número del informe
Plaga identificada
Protopulvinaria pyriformis - (PROPPY)
Estado del informe
Protopulvinaria pyriformis has a wide host range of more than 100 species across 34 plant families including: Anacardiaceae: Anacardium, Mangifera Apocynaceae: Neurium Araliaceae: Hedera Caesalpiniaceae: Bauhinia Cannaceae: Canna Convolvulaceae: Ipomoea Lauraceae: Cinnamomum, Laurus, Persea Malvaceae: Hibiscus Moraceae: Ficus Musaceae: Musa Myrtaceae: Eucalyptus, Myrtus, Psidium, Syzigium Orchidaceae: Cymbidium, Vanilla Passifloraceae: Passiflora Rubiaceae: Coffea, Gardenia Rutaceae: Choysia, Citrus Theaceae: Camellia
Estado de la plaga
  • Present: only in some areas
Distribución geográfica
Perth, Western Australia

Protopulvinaria pyriformis is polyphagous but infestations in Australia are restricted to ornamental Hedera (Ivy) grown as amenity plants. Pyriform scales have a pear shaped body surrounded by a white waxy fringe. They feed on the underside of the leaves and secrete a clear, sugary liquid known as honeydew. Damage is caused by pyriform scales feeding on plant sap and impacting the plants’ nutrient uptake. Infestations of pyriform scale on plants can result in reduced vigour, leaf drop and reduction in size and quality of fruit. It can also result in the growth of black sooty mould on leaves which blocks sunlight and minimises energy available to the plant.

Protopulvinaria pyriformis has been detected at a limited number of properties in Perth, with all infestations on Hedera (Ivy). Protopulvinaria pyriformis is a particularly economically important pest of the avocado industry and a pest of a number of other horticultural and ornamental plants. These include: Mango, avocado, citrus, banana, guava, passionfruit, pomegranate, papaya, eucalyptus, hibiscus, gardenia, ivy, myrtle, laurels, paperplant and frangipani. Given the spread of Protopulvinaria pyriformis it is considered not technically feasible to eradicate.
Contacto para obtener más información
Australian Chief Plant Protection Officer Australian Government Department of Agriculture GPO Box 858 Canberra ACT 2601
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