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Quintana Roo Reports 1,200 Screwworm Cases as Officials Await Sterile Fly Release

Cattle grazing in a green pasture in Quintana Roo, where ranchers are battling a screwworm outbreak

Othón P. Blanco, Quintana Roo — Roughly 1,200 cases of screwworm have been reported in Quintana Roo, although only a small number remain active, according to Jorge Aguilar, head of the state’s Secretariat for Agricultural, Rural and Fisheries Development (SEDARPE).

Aguilar said reduced rainfall has kept the pest from spreading at a faster pace. Producers are continuing prevention and treatment work while they wait for the federal government to begin releasing sterile flies in southeastern Mexico.

He explained that fighting the screwworm raises production costs and demands more time from those who raise cattle, adding that these efforts must continue until federal support arrives.

The sterile fly production plant in Metapa, Chiapas, is already operating, Aguilar said, and the livestock sector is waiting for the program to expand into Quintana Roo.

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By Ana Reyes

Ana Reyes covers environmental policy, conservation initiatives, infrastructure projects, and political developments across the Yucatán Peninsula for Riviera Maya News & Events. She reports on issues from sargassum management and reef conservation to the Maya Train, coastal development, and state and federal policy affecting Quintana Roo and the broader peninsula.Ana has covered environmental and political news since 2023, tracking key developments in Mexico's environmental regulations, coral reef protection, coastal zone management, and the intersection of tourism development with conservation efforts. Her reporting spans from Cancun's hotel zone to the Sian Ka'an Biosphere Reserve and the culturally significant regions of the Yucatán interior.Ana is fluent in English and Spanish, and draws from a wide range of sources including government environmental agencies, conservation organizations, academic researchers, and local community leaders to provide balanced, well-sourced coverage. She is particularly focused on how environmental policy decisions affect the daily lives of residents and the long-term sustainability of the region.For story tips: ana@rivieramayanews.mx