
Swiss Chard Flea
Chaetocnema Tibialis
Pathogen:
Type:
Insect
Risk:
INTERMEDIATE

Acelga
Escarabajos

WHO CAUSES IT?
Chaetocnema tibialis, commonly known as the chard flea, is a small beetle of the family Chrysomelidae. This insect goes through four main stages of development: egg, larva, pupa and adult. Adults are small, shiny black, and have the ability to jump, giving them their common name. Females lay their eggs in the soil near host plants. The larvae emerge from the eggs and feed on the underground roots and stems of plants. After several weeks, the larvae pupate in the soil, later emerging as adults. Adults feed mainly on leaves, leaving characteristic small holes. In temperate climates, Chaetocnema tibialis can have several generations per year, which facilitates its rapid proliferation and continuous damage to chard crops.
SYMPTOMS
In chard, infestation by Chaetocnema tibialis causes a disease known as chard flea. This pathogen affects both young seedlings and adult plants, causing significant damage to the leaves and, in severe cases, the roots. Foliar damage is particularly problematic as it reduces the photosynthetic capacity of the plant and can render the leaves unsuitable for sale or consumption.
• Small irregular holes in the leaves.
• Leaves with a sifted appearance.
• Reduction in photosynthetic capacity.
• Weakened seedlings with slow growth.
• Damage to roots and underground stems.
• Loss of general vigor in the plant.

TEMPERATURE AND HUMIDITY
20ºC - 30ºC
40% - 60%
TRANSMISSION ROUTES
Wind, direct contact between plants, soil movement, gardening tools.
Do you want to remove this disease? Choose how you want to treat it.
TREATMENTS
Chemical treatments
• DELTAMETHRIN 2.5% [EW] P/V
• LAMBDA CYHALOTHRIN 10% [CS] P/V
• TEFLUTRIN 0.5% [GR] P/P
Treatments allowed in organic farming
• LAMBDA CYHALOTHRIN 10% [CS] P/V
Biological treatments
-
Recommendations
• Carry out crop rotations to interrupt the beetle's life cycle.
• Maintain cleanliness of the field, eliminating crop remains and weeds that could serve as shelter for adults.
• Implement physical barriers such as mesh or covers to protect young seedlings.
• Use sticky traps to monitor and reduce the adult population.
• Encourage the presence of natural enemies, such as parasitoid wasps and insectivorous birds.
• Apply biological insecticides based on Bacillus thuringiensis or neem in early stages of infestation.
• Apply chemical insecticides as a last measure, following local recommendations and rotating products to avoid the development of resistance.
• Maintain adequate watering to strengthen plants and make them less susceptible to damage.
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*Products shown are recommendations and not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.
TREATMENTS
Homemade remedies
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.
RECOMMENDATIONS
REPELLENT PLANTS
EFFECTIVE PRODUCTS TO ELIMINATE THIS DISEASE
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*The recommended treatments are recommendations based on the authorities' databases and in no way replace the guidelines established by the legislation of each country.
*Products shown are recommendations and not our own products. As Amazon Associates, we earn revenue from purchases of recommended products.






















