#4
Ulidiidae,
Stictomyia punctata Coquillett.
See
Kameneva, E. and V. Korneyev. 2006. Myennidini, a new tribe of the subfamily Otitinae (Diptera: Ulidiidae), with discussion of the suprageneric classification of the family. Isr. J. Entomol. 35-36: 497-586
In the photo on BugGuide the black line on the frons is divided into spots.
http://bugguide.n...36/bgimage