Greenhead season is in full swing as the green-eyed horsefly with a notoriously nasty bite descends on Massachusetts beaches. Greenhead flies typically emerge from eggs inside salt marshes at the end ...

Ever come home from the beach with a large, painful bug bite? Or perhaps several? The greenhead fly was probably to blame, and — unfortunately — they are out and about again for the summer season in ...

Greenhead horseflies are so named for their vivid, green eyes. The flies also have blade-like mouth parts that they use to slice into the skin of their targets. (Photo courtesy Dragon Mosquito Control ...