Overview
- Resolution 816/2025, published in Argentina’s Boletín Oficial, designates Río Negro, Chubut and Santa Cruz under an active alert.
- The tucura sapo (Bufonacris claraziana) is endemic to Patagonia and threatens natural pastures and forage for livestock, especially affecting small producers.
- Health authorities state the insect does not transmit diseases or pose a direct risk to people.
- SENASA cites a significant territorial expansion across the Patagonian steppe in recent years and warns of rapid population growth in warm periods that can strip fields in days.
- Officials request that sightings be reported to local SENASA offices to aid monitoring and prevent new infestations, with some reports noting cannibalistic behavior under severe food scarcity.