Key to species of Hurleyella Runyon & Robinson

1 First flagellomere of antenna distinctly wider than narrowest part of face; males with flange of surstylus relatively narrow, tapering (Figs. 4; 5A, B) (Virginia)...................................................... cumberlandensis Runyon & Robinson

- Width of first flagellomere of antenna subequal to narrowest part of face; males with flange of surstylus spatulate (Fig. 5C) (Texas) .............................................................................................................. brooksi Runyon & Robinson