Earomyia abietum McAlpine

E. aquilonia  is an entirely dark species, apparently with a northwestern distribution. The following characters distinguish it from all other Ectromyia species known to me: tarsi entirely
dark brown to black, calyptrae and fringes blackish, wings brownish-fumose, eyes pubescent, several or more stigmatal bristles; disc of sternopleuron with
numerous stiff hairs; body velvety-black, especially in the male