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Pseudaulacaspis pentagona Targioni
Aulacaspis pentagona, Diaspis pentagona

Insecta, Homoptera, Diaspididae .

White mulberry scale, Papaya aulacaspis

Description, Biology, Life Cycle, Damage, Common Names, Images

Adult female: scale circular, 2.2-2.4 mm across and greyish-white; body very large and brilliant yellow (*) ..

This species develops on a wide variety of plants, especially mulberry (Morus), peach, apricot, pear, almond, currant, black currant, bean, walnut, etc. (*) .
Infestations spread to the trunk, branches and twigs but not to the leaves (*) . This scale insect overwinters in the final nymphal instar or in a non-fertilized female stage.

[R]Life Cycle
Oviposition begins in late April, eggs starting to hatch in late May.
A 2nd generation appears in August, a 3rd one (often partial) emerging in autumn in Mediterranean regions.

Affected trees are greatly weakened (*) (*) .

[R]Common Names
DE: Maulbeerschildlaus, Mandelschildlaus ES: Cochinilla de la morera FR: Cochenille du mûrier IT: Cocciniglia bianca del gelo PT: Cochonilha da amoreira GB: West indian peach scale, Mulberry scale, Papaya scale

[R] Images

  1. Pseudaulacaspis pentagona Targioni (Milaire H.-G. / INRA Versailles)
    Attack on peach Almost all leaves disappeared and new shoots emerge from the base of the tree.
  2. Pseudaulacaspis pentagona Targioni (ACTA)
    Encrustaion on branches of peach
  3. Pseudaulacaspis pentagona Targioni (Coutin R. / OPIE)
    Detailed picture of encrustation on peach This insect can be recognized by the white colour of the scale of the 2nd stage, the scale of the 1st stage being pale brown.
  4. Pseudaulacaspis pentagona Targioni (Coutin R. / OPIE)
    Parasitized scale insects It is possible to see the exit holes of the adults of Prospaltella berlesei, a Hymenopterous parasite.
  5. Pseudaulacaspis pentagona Targioni (ACTA)
    Scale insects on Actinidia
  6. Pseudaulacaspis pentagona Targioni (Bénassy C. / INRA Antibes)
    Damage to peach orchard In the Rhone valley.

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