Blue Hills Reservation, Canton, MA
ID by Chen Young.
Common to abundant in spring; less conspicuous in fall; the only species in this subgenus (Symplecta) in North America.
The first species to appear in the spring, when most vegetation has not yet started growing.
Larvae found in saturated earth along water edges; adults in nearly all wooded and open grassland habitats.
https://bugguide.net/node/view/269098
https://www.inaturalist.org/observations/254781043