Most likely male. See associated probable female here: https://bugguide.net/node/view/1768867.

Found on the beach.

Post-alar wall bare, arista plumose with branches as long as or longer than width of arista, frontal bristles of face somewhat parallel but ending at base of antennae, parafacial with short hairs, head length at vibrissa at least equal to head length at antennae, R1 bare, parafacial broad with scattered hairs.