Aonidiella aurantii

Aonidiella aurantii

Aonidiella aurantii (Piojo Rojo de California)

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Diagnostic characters

State Size Features

Adult 2 mm The shield is circular in shape and red-brown. The body of the female, when raising the shield, is yellow. It does not segregate molasses.

Phenological cycle

Threshold temperature (° C) 11.6

Thermal Integral (Grades day) 753

It has 3 population maximums in the months of June, August and September.

Annual generations

3 (sometimes 4).

Symptoms / Damage

It is located on any part of the plant, although they prefer the fruit and sunny areas of the tree.

Cosmetic damage to the fruit due to the presence of shields and spots.

Yellow spots on leaves, which may fall. The buds dry. Reduces the vigor of the plant, especially in young plantations. This leads to a reduction of the harvest in adult plantations.

Control

- Chemical

Moment: the highest sensitivity to pesticides is found in first-generation larvae, in May-June.

Paraffin oil, chlorpyrifos, methyl chlorpyrifos, piriproxifen.

The oil has high efficiency but does not apply at this time, because it usually produces fruit fall.

Threshold: could be 2% of fruits with more than 10 escudos, out of a total of 100 fruits observed.

Sample from May to December.

- Biological

Aphytis chrysompali, A. melinus, Rhizobius lopanthae.

AOAU P
Data sheet
Format
Septum
Duration
45 days / 6 weeks
Affects
Fruit trees
Units
1u

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Aonidiella aurantii

Aonidiella aurantii (Piojo Rojo de California)

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