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Cottony Mealybug

Pathogen:

Insect

Type:

Risk:

HIGH

Cochinillas

WHO CAUSES IT?

The cottony mealybug includes different species within the superfamily Coccoidea, standing out for its ability to infest various plants, including cacti. These insects go through several stages of development, beginning with the laying of eggs by adult females in protected sites on the plant. Upon hatching, the nymphs, known as "crawlers", disperse in search of places where they can feed on the cactus sap. The nymphs go through several molts before reaching the adult phase, where the females become sedentary and cover themselves with a white waxy substance that provides them with protection. The males, which are winged and live only a few days, are dedicated exclusively to fertilizing the females. Reproduction of cottony mealybugs can be both sexual and asexual, depending on the species. These pests can produce several generations in a year, especially in hot and humid climates, which facilitates their proliferation and potential damage to host plants.

SYMPTOMS

Cottony mealybug infestation in cacti causes a disease that significantly weakens the plants by sucking their sap, interfering with their ability to carry out photosynthesis and other vital processes. This attack can lead to reduced growth, chlorosis and, in severe cases, plant death. Additionally, mealybugs excrete a sticky substance called honeydew, which attracts sooty fungi, adding more stress to the plant and further reducing its photosynthetic capacity.

- Presence of a white cottony substance on the surface of the cactus.
- Discoloration and yellowing of fabrics.
- Appearance of sticky honeydew on the surface of the cactus.
- Growth of sooty fungi on molasses.
- Loss of vigor and delay in growth.
- Death of the plant in serious infestations.

TEMPERATURE AND HUMIDITY

20°C a 30°C

60% a 80%

TRANSMISSION PATHS

Direct contact between plants, Wind, Contaminated tools, Vector animals, Movement of infested plants

Do you want to remove this pest? Choose how you want to treat it.

TREATMENTS

Chemical treatment

• ABAMECTIN 0.0015% + PYRETHRINS 0.02% [AL] P/V
• RAPESEAL OIL 0.825% + PYRETHRINS 0.018% [AL] P/V
• RAPE OIL 1.53% [AL] P/V
• RAPE OIL 1.69% ( ) [AL] P/V
• RAPE OIL 77.7% [EC] P/V
• RAPE OIL 848.24 g/l [EC] P/V
• ORANGE OIL 60g/L [ME] P/S
• PARAFFIN OIL (CAS [97862-82-3]) 40% [EW] P/V
• PARAFFIN OIL (CAS [97862-82-3]) 80% [EC] P/V
• ACETAMIPRID 0.005% [AL] P/V
• ACETAMIPRID 20% [SG] P/P
• ACETAMIPRID 20% [SP] P/P
• AZADIRACTIN 1% (AS AZADIRACTIN A) [EC] P/V
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• CYPERMETHRIN 5% [EC] P/V
• CYPERMETHRIN 50% [EC] P/V
• DELTAMETHRIN 1.57% [SC] P/V
• DELTAMETHRIN 2.5% [EC] P/V
• FLUPIRADIFURONE 0.008% [AL] P/V
• LAMBDA CYHALOTHRIN 5% [EG] P/P
• PYRIPROXIFEN 10% [EC] P/V
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• POTASSIUM SALTS OF VEGETABLE FATTY ACIDS 13.04% [SL] P/V
• POTASSIUM SALTS OF UNSATURATED FATTY ACIDS C7-C18 & C18 (CAS [67701-09-1] 515g/L [SL] P/V
• POTASSIUM SALTS OF UNSATURATED FATTY ACIDS C7-C18 & C18 10.2g/L [AL] P/V
• SPIROMESIFEN 24% [SC] P/V
• TAU-FLUVALINATE 24% [EW] P/V

Authorized treatments in organic farming

• RAPESEAL OIL 0.825% + PYRETHRINS 0.018% [AL] P/V
• RAPE OIL 1.53% [AL] P/V
• RAPE OIL 1.69% ( ) [AL] P/V
• RAPE OIL 77.7% [EC] P/V
• RAPE OIL 848.24 g/l [EC] P/V
• ORANGE OIL 60g/L [ME] P/S
• 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
• Azadirachtin 2.6% (AS AZADIRACTIN A) [EC] P/V
• LAMBDA CYHALOTHRIN 5% [EG] P/P
• POTASSIUM SALTS OF FATTY ACIDS C14-C20 48% [EW] P/V
• POTASSIUM SALTS OF VEGETABLE FATTY ACIDS 13.04% [SL] P/V
• POTASSIUM SALTS OF UNSATURATED FATTY ACIDS C7-C18 & C18 (CAS [67701-09-1] 515g/L [SL] P/V
• POTASSIUM SALTS OF UNSATURATED FATTY ACIDS C7-C18 & C18 10.2g/L [AL] P/V