US EditionSemarnat Confirms Howler Monkey Death in Chiapas by Worm Sweeper
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The Secretariat for the Environment and Natural Resources (Semarnat) confirmed the first fatal case of worm sweeper in a wild howler monkey in Mexico. The event occurred in December 2025 in Palenque, Chiapas, and marks a significant change in the pattern of affectation of this pest. Subscribe to our Telegram channel and carry the information in your hands. So far, the sweeper worm was almost exclusively associated with cattle. The case opens a h…
A male howler monkey, an endangered species, died on December 4, 2025, in the municipality of Palenque, Chiapas, due to an infestation of the cattle screwworm, according to sources consulted by the newspaper Excélsior. This case marked the first death of a wild animal in Mexico from this pest, which was believed to have been eradicated since 1991.
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