Weevils

All 2 species of weevils on WAnimals

Each one has its own full profile. This group does not replace them: it brings them together.

Conservation status

Where they live

Recorded in 59 countries. The ones with the most species in the group:

Did you know…?

• By the time the visible symptoms appear, with the central leaves drooping or the crown collapsed, the palm is usually already lost: the larvae have been at work inside it for months.

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• One early-detection technique is to listen inside the trunk with acoustic sensors, because the sound of the larvae chewing is audible with the right equipment.

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• It has transformed the townscape of many Mediterranean cities and forced the felling of century-old palms all along the Spanish coast.

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• The town of Enterprise, Alabama, raised a monument in its honour in 1919: the pest forced farmers to diversify into peanuts and they fared far better than they had with cotton.

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• A decades-long eradication programme based on pheromone traps and coordinated treatments has removed it from almost all of the United States, one of the few cases of a pest eradicated at continental scale.

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• The adults overwinter hidden in the leaf litter at the field margins and reappear with the following crop.

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Ecosystems