Cochinillas
Mango scale or snow scale: what it is, how it originates, and how to eliminate it effectively.
White Mango Mealybug Or Snow Mealybug
Aulacaspis Tubercularis
Pathogen:
Insect
Type:
Risk to the plant:
HIGH
DESCRIPTION
WHO CAUSES IT?
Aulacaspis tubercularis is a species of scale insect that mainly affects mangoes. This insect goes through several stages in its life cycle. The adult females, which are immobile, attach themselves to the leaves or branches of the host plant and secrete a protective waxy covering under which they lay their eggs. These eggs hatch into nymphs that also feed on the plant sap and eventually develop into adults. The mealybug can go unnoticed due to its small size and its ability to camouflage itself with the wax it produces.
SYMPTOMS
The disease it produces on mango is known as white mango scale or snow scale. General symptoms include:
• Presence of small white or cottony Taches on the leaves, branches and fruits of the mango.
• Yellowing and wilting of leaves.
• Reduction in the yield and quality of the fruits.
TEMPERATURE AND HUMIDITY
25°C - 35°C
60% - 80%
HOW IS IT SPREAD?
Direct contact with infected plants, transport by wind, dispersal by insect 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]) 54.6% [EW] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 40% [EW] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 80% [EC] P/V
• ACETAMIPRID 20% [SG] P/P
• ACETAMIPRID 20% [SL] P/V
• ACETAMIPRID 20% [SP] P/P
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• DELTAMETHRIN 1.57% [SC] P/V
• DELTAMETHRIN 2.5% [EC] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• PYRIPROXIFEN 10% [EC] P/V
• RESCALURE 4% [PV] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• SPIROTETRAMAT 15% [OD] P/V
• TAU-FLUVALINATE 24% [EW] 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]) 54.6% [EW] P/V
• PARAFFIN OIL (CAS [8042-47-5]) 79% [EC] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 40% [EW] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 80% [EC] P/V
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• MALTODEXTRIN 47.6% [SL] P/V
• RESCALURE 4% [PV] P/V
• 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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• Regularly inspect mango trees for signs of infestation.
• Promote biodiversity in the crop environment to encourage the presence of natural enemies of the mealybug.
• Prune and remove severely affected branches or parts of the plant.
• Apply specific insecticide treatments when necessary, following the instructions of the health authorities.
• Use biological control methods, such as the introduction of parasitoids or mealybug predators.
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