mesosoma constricted at base of forewings (Fig. 146); pronotum large, collar mid-dorsally long; mesoscutum small, notaulices absent; mesoscutellar fovea absent; metanotum bispinose (Figs 146, 147), carinae absent; posterior margins of gastral tergites not defined laterally; ocelli absent; antenna of male with flagellum weakly clubbed (Fig. 156) and 51 carinate; male gaster with median longitudinal band ventrally
mesosoma widest at base of forewings (Fig. 469); pronotum small, collar mid-dorsally very short; mesoscutm large, notaulices usually defined; mesoscutellar fove a present, sometimes weakly defined; metanotum not spinose, median carinae sometimes produced (Fig. 495); posterior margins of gastral tergites defined laterally; ocelli present, rarely reduced to minute scars; antenna of male not clubbed and with F1 and F2 carinate; male gaster without median longitudinal band ventrally (part)