This Texas Fly Can Bite, Leaving Irritated Skin. It Loves the Heat and Moving Water

Black flies, also called buffalo gnats or turkey gnats, are known to bite people during the day — particularly around the neck and head, leaving skin itchy and swollen. Black fly season lasts from April to July.

Black flies are small flies up to 5 mm that are active during the day, fast and strong fliers. They have a characteristic “hump-back” and can be black, gray, light tan or yellow in color. Black fly species can commonly be found along fast-moving rivers, particularly in northeast Texas.

Continue reading to learn more about black flies, written by Dalia Faheid.

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February 7, 2025

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