Akronia frontosa n. sp.
Length 4–4½ mm. Dull black, sparsely clothed with very short, light-colored hair; eyes widely separated in both sexes, naked; antennae entirely in front of the eyes; front produced more in the female than in the male, posterior orbits present in both sexes, widest in the female; thorax nearly equally four-sided, scutellum without spines, wings hyaline, veins bounding costal, basal, marginal, and first and second sub-marginal cells heavy and dark colored; discal cell rather small emitting four posterior veins; legs black, knees and tarsi lighter colored than the other parts; abdomen short and wide. Five males and four females taken at Hawkins, near Akron, Ohio, May 21, 1899.
This is so distinct from species of Nemotelus in general appearance, and structure of the head, especially in the male, that it seems best to make it the type of a new genus.