Lateral and medial pronotal carinae absent, except in the females of Lempira and Pararhicnoderma, where the median carina is somewhat nodular, or in Cristobalina & Mayalina, where it is cristate and toothed.
17(16) Ovipositor valves normal; prosternal process low, flattened on its front face, entire, not bifid; pronotum selliform; medial pronotal carina present, cristate and elevated at its anterior and especially posterior ends; male subgenital plate not bifid; medial abdominal carina of female toothed.