Spring Fishfly (Chauliodes rastricornis)
2015-5-8 Patuxent Research Refuge, Anne Arundel County, MD
on outside wall next to entrance of Visitor Center
bugguide says adults fly late spring, April-May in WV
and that the "head and pronotum have dark markings on light brown background, as opposed to yellowish markings on dark brown background of C. pectinicornis."
C. pectinicornis is the Summer Fishfly
that species, according to bugguide flies June to July in WV