With the arrival of the hottest time, the lines of the pine caterpillar begin to emerge (Thaumetopoea pityocampa), a common phenomenon in Mediterranean forests, but continues to cause concern among populations and pet owners.
In addition to the damage they can cause to trees, these caterpillars represent a real danger to human and animal health due to their hives, capable of causing serious allergic reactions.
The biological cycle of the pine caterpillar
These caterpillars have a complex life cycle, as explained by. During the summer, adult butterflies lay the eggs on the pine needles.
The larvae emerge between September and October and spend winter in silk nests in the trees.
With increasing temperatures, they begin to descend in Indian line to the ground, where they bury and move to the chrysalis phase, giving rise to future butterflies.
Although caterpillars can defoliate the pines, they rarely kill them, as they do not consume the younger shoots, allowing the trees to regenerate in the spring.
The risks for humans and animals
The main dangers of the pine caterpillar come from their urticants, which are released as a defense mechanism and can cause serious allergic reactions. The most common symptoms include:
-Skin redemption: Skin irritation with itching, burning, redness and swelling;
-Respiratory Problems: Hair inhalation can cause cough, breathing difficulties and, in extreme cases, anaphylactic shock;
-Ocular Written: Symptoms similar to conjunctivitis, such as reddish eyes, itching and swelling.
In animals, especially in dogs, contact with caterpillars can be extremely dangerous and can lead to language necrosis and other serious complications.
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What to do in case of contact?
If there is exposure to the hives, follow these steps:
-Evite rubbing the affected zone to prevent the spread of the hair;
-Do the skin and eyes with abundant water;
-Use tape To remove loose hair on the skin;
-Applique a moisturizing cream to relieve irritation;
-Set an oral antihistamine to reduce allergic reaction;
-Consult an ophthalmologist If there is eye contact;
-Diries to the Emergency Service in case of severe reaction.
For animals, seek immediate veterinary assistance if there is suspected contact with caterpillars.
Prevention measures
-Evite zones with pines during the winter and early spring months;
-Hek the pets with the leash in risky places;
-Sinalize and enter the authorities If you find nests or large caterpillars concentrations;
-If it is necessary to remove nestscontact municipal services or specialists, as inadequate removal can spread the hives.
The pine caterpillar is a natural phenomenon, but requires precautions to avoid incidents. Staying informed and following good prevention practices is essential to minimize risks and protecting both the population and pets.
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