Blow flies, easy to identify by their shiny metallic copper, green, blue or black color, typically live for 14 to 20 days, but up to a whole month. Phorid flies, tiny flies often found around ...

Peak black fly season has passed in Michigan which is typically around mid-May through mid-June, but they continue to bite throughout summer and mainly in the Upper Peninsula and northern Michigan ...

How long does black fly season last in Michigan? In Michigan, black flies are most active from mid-May to mid-June. They are present throughout the summer months and prefer hot, wet, humid days.

Black flies are gnat-sized — much smaller than house flies. ... Glynis comes from a long line of Pittsburgh editors and has 17 years of experience reporting, ...

NORTHAMPTON COUNTY, Pa. – Crews are scheduled to conduct an aerial black fly (gnat) suppression operation on the Delaware River and Lehigh River Tuesday. The operation will take place after 8 a ...