Swarming Black Ants

DavidG/2007_BlackAnts.jpg

In Barton Fields on Thursday evening there were masses of winged black ants emerging from the tops of anthills. At 7 pm they were swarming at the tops of grass stems but when I looked again at 8 pm they had all disappeared, presumably flying high above.

from David Guyoncourt: 18 July 2020