San Gabriel Valley on Alert as Swarms of Black Flies Return
- Officials report a rise in black flies across the San Gabriel Valley foothills.
- The insects are known for painful bites, especially around the face and neck.
- Authorities say the flies do not spread disease in Los Angeles County.
- Residents are advised to use DEET repellents and protective coverings.
San Gabriel Valley, CA – Health and vector control officials are warning residents about a noticeable increase in black flies across foothill communities in the San Gabriel Valley.
These insects, commonly referred to as “buffalo gnats,” are small in size but known for delivering bites that can be uncomfortable and irritating. Local authorities say the current rise in activity is seasonal and expected to continue for several weeks.
What Are Black Flies?
Black flies are tiny insects measuring only about 2 to 3 millimeters in length, making them difficult to spot. Despite their size, they often travel in large groups and can cover long distances.
They are particularly known for biting around sensitive areas such as the eyes, hairline, and neckline, which can cause itching, swelling, and discomfort…