“…Quisenberry et al (1978) found distinguishing features for Acutalis, which is the only acutaline genus represented in Missouri, and those features were sufficient for that fauna. Considered within the larger context of Smiliinae, those features also apply to the Amastrini genera Bajulata Ball, Erosne Stål, Harmonides Kirkaldy, and some Amastris Stål (McKamey et al 2015). But these features do not apply to the acutaline genera Bordoniana, which has abdominal scoli directed dorsally, or Thrasymedes, which has scoli on the head and pronotum, or even some other Acutalis, which have scoli on the head (1 pair) and pronotum (2 pairs) (Fig.…”