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Screwworm Flies Add to Cattle Ranchers’ Woes

New World Screwworm Outbreak in Texas: A Looming Crisis for Ranchers and the Economy Recent developments in Texas have sparked significant concern among ranchers and agricultural experts over the potential resurgence of the New World Screwworm, a parasitic…

Screwworm Flies Add to Cattle Ranchers’ Woes

New World Screwworm Outbreak in Texas: A Looming Crisis for Ranchers and the Economy

Recent developments in Texas have sparked significant concern among ranchers and agricultural experts over the potential resurgence of the New World Screwworm, a parasitic fly whose larvae feed on living tissue. Though eradicated in the U.S. During the 1960s, the parasite has resurfaced in certain regions, prompting urgent action from state and federal authorities. The threat has left many in the agricultural sector on high alert, with fears of devastating economic and ecological consequences.

The Threat of the New World Screwworm

The New World Screwworm (*Cochliomyia hominivorax*) is a flesh-eating fly whose larvae can infest wounds in animals, leading to severe infections and, in extreme cases, death. Historically, the parasite was eliminated from the U.S. Through a combination of sterile insect technique and strict biosecurity measures. However, its reemergence has raised alarms, particularly in Texas, where ranchers

Alarm for US farmers as screwworm found in Texas cattle
About the author: Marcus Liu - Business Editor

MBA and ex‑B bureau chief specializing in global finance and fintech. Marcus speaks Mandarin, Japanese, and English, and has interviewed CEOs from the Fortune 50 to Y‑Combinator unicorns. Marcus Liu delivers sharp analysis on markets, startups, and corporate strategy for investors and entrepreneurs alike.