US EditionAlert in Buenos Aires for a "Black Fly" that Bites: What Is Barigüí and How to Combat It
5 Articles
5 Articles
This flying insect feeds on human blood but does not sting, but bites the skin.It can cause pain, infections, swelling, and allergy.
Faced with the growing concern about the appearance of barigüí, also known as black fly, jején or mbarigu, in different areas of the province of Buenos Aires —an unusual phenomenon in AMBA—, professors of the Faculty of Agrarian Sciences of the National University of Lomas de Zamora (FCA-UNLZ) provide key information to understand ...
The sustained rise in temperatures and humidity during the closing of last year and the beginning of 2026 generated a favorable scenario for the proliferation of barigüí, known as “black fly”, in the City of Buenos Aires and the Metropolitan Area. The presence was particularly intensified in sectors close to rivers, streams and streams of running water, which function as their main breeding area. One of the particularities that distinguishes bar…
It is a small flying insect, very similar to a mosquito and known as “black fly” and is found mainly in areas close to rivers, streams and places with running water, where it reproduces. “Unlike the common mosquito, the barigüí does not sting, but cuts the skin to feed on blood, which causes more pain and irritation at the moment. The high temperatures tend to attract the presence of insects that are not usually seen at other times of the year a…
The high temperatures of the summer and the recent climatic conditions created a favorable scenario for the appearance of phenomena that have a full impact on daily life.In different areas of the province of Buenos Aires, a little-known insect outside the rural environment began to multiply and to attract attention due to the intensity of its attacks.What is the barigüí and why it generates concern The barigüí, popularly known as black fly, is a…
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