Couplet 117

117a:  Elytra with 9 or 10 punctate striae; posterior portion of hypomeron extending up to half the distance to mesal edge of fore coxa; length 7-14 mm

Agyrtidae   p. 408

117b:  Elytra without punctate striae, otherwise variable, irregularly punctate (Figure 26-25B), with complex low sculpture (Figure 26-25A) or up to 3 carinate costae; posterior portion of hypomeron not extending behind fore coxa or extending only a short distance mesad of lateral edge of fore coxa; length 7-45 mm