Greenheads, aka Tabanus nigrovittatus or Greenhead Horse Flies, plague northeastern Massachusetts through Southern Maine in July. It is fabled they come and go with the full moon, but by mid July it can be said with certainty they will be around to annoy you. If you’d like to contribute to the report, please fill out the form below.
Reporting is closed for the season, the greenheads are gone!
Thank you to everyone who continues to contribute to the report.
2024 brought in 500+ reports; this tiny project’s most successful year.
If you have suggestions for improving the report for 2025, don’t hesitate to reach out!
The Greenhead Report
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