Mayfly

(Photo Credit: Todd Nissly/Wrightsville Fire & Rescue via YouTube)

Nightmarish ‘Mayfly Blizzard’ Closes Bridge For 2 Nights, Causes Crashes

Authorities say a Pennsylvania bridge has been closed for a second straight night because of swarms of mayflies so thick that they caused accidents.

06/15/2015

(Credit: KDKA)

Mayflies Invade Pittsburgh’s North Shore

Mayflies are back again – this time at PNC Park on Pittsburgh’s North Shore.

05/31/2012