Plantas decorativas de jardín y/o interior
How to recognize and combat psyllids on decorative garden and/or indoor plants
Psyllas
Insect
Type:
Risk to the plant:
HIGH
Psyllas
Pathogen:
Psilas
WHO CAUSES IT?
Psilas are small insects of the order Hemiptera, known for their appearance similar to that of a miniature cicada. They are phytophagous, and many species are specialized on certain plants. Adult females lay eggs on young shoots, veins or at the base of leaves. Upon hatching, the nymphs feed by sucking sap from tender plant tissues, which causes a defense response in the plant and an alteration of normal development. As nymphs grow, they go through several nymphal stages, remaining on the same host or migrating short distances. During these stages, they secrete a sticky substance known as honeydew, which promotes the development of sooty mold. Once the adult phase has been reached, the insect acquires the ability to fly, which allows it to colonize new areas and continue the reproduction process. In warm and temperate climates they can have several generations per year, especially when there are favorable temperature conditions and availability of tender shoots.
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SYMPTOMS
The presence of psylla in plants causes a disease that mainly affects young tissues, such as buds, new leaves and flowers. The suction of sap and the injection of salivary toxins alter normal growth, reduce photosynthesis and promote secondary infections due to the secreted honeydew. In severe infestations, they can compromise the vigor of the plant and its productivity.
- Curling and deformation of shoots and leaves
- Presence of sticky molasses on plant surfaces
- Development of sooty mold on molasses
- Abnormal or poor sprouting of buds
- General loss of vigor
- Premature fall of leaves or flowers
- Visible presence of insects in the tender parts of the plant
DEVELOPMENT CONDITIONS
Temperature:
18 °C – 30 °C
Humidity:
50 % – 80 %
HOW IS IT SPREAD?
Infested plants, Wind, Agricultural tools, Plant material, Transport of seedlings, Movement of winged adults
HOW TO ELIMINATE IT?
Home treatments
There are no home treatments
Natural allies
Chemical treatments
There are no treatments for this disease. Treatments are directed at the insect vectors that transmit it. See insect treatments.
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