Escamas
California red scale: what it is, how it originates, and how to eliminate it effectively.
California Red Louse
Aonidiella Aurantii
Pathogen:
Insect
Type:
Risk to the plant:
INTERMEDIATE
DESCRIPTION
WHO CAUSES IT?
The California red louse, scientifically known as Aonidiella aurantii, is a pest that affects citrus crops in many parts of the world. It is a sucking insect that feeds on plant sap, weakening trees and reducing their production capacity. California red louse can cause significant damage if not properly controlled, especially on the most susceptible varieties of citrus.
SYMPTOMS
On citrus, the California red louse can cause a number of harmful symptoms. Among the most common signs are the appearance of small yellow or brown Taches on the surface of the leaves, as well as the presence of a sticky substance called honeydew on the leaves and fruits. Additionally, infested trees may show signs of weakening, such as yellowing leaves, premature fruit drop, and reduced harvest yields.
TEMPERATURE AND HUMIDITY
20°C - 30°C
60% - 80%
HOW IS IT SPREAD?
Human transport, infected plants, agricultural equipment, biological vectors.
HOW TO REMOVE IT?
Home remedies
There are no home treatments
Chemical treatments
• ORANGE OIL 60g/L [ME] P/S
• PARAFFIN OIL (CAS [64742-46-7]) 79% [EC] P/V
• PARAFFIN OIL (CAS [64742-46-7]) 80% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 83% [EC] P/V
• PYRIPROXIFEN 10% [EC] P/V
• RESCALURE 4% [PV] P/V
• RESCALURE 5.86% (70 mg s.a./diffuser) [VP] P/P
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• SPIROTETRAMAT 15% [OD] P/V
Authorized treatments in organic farming
• ORANGE OIL 60g/L [ME] P/S
• PARAFFIN OIL (CAS [64742-46-7]) 79% [EC] P/V
• PARAFFIN OIL (CAS [64742-46-7]) 80% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 83% [EC] P/V
• RESCALURE 4% [PV] P/V
• RESCALURE 5.86% (70 mg s.a./diffuser) [VP] P/P
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
Insect allies
PREDATORY MITES
LADYBUGS
LACEWINGS
PARASITIC WASPS
HOVERFLIES OR PARASITIC FLIES
PREDATORY BUGS
There are no natural allies
Mycodiplosis oidii (predatory mosquito)
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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To prevent and control California red louse infestation in citrus, it is recommended to implement a series of integrated pest management measures. This includes regularly inspecting trees for signs of infestation, using specific insecticides for red louse control as needed, and promoting healthy cultural practices to maintain the health of citrus trees.
Transmission routes: human transport, infected plants, agricultural equipment, biological vectors.
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