Couplet 19.
Mesopleuron bulging, convex (Fig. 2); mid-tibial spur greatly enlarged (Fig. 3)
1.Fig. 1.
2.Fig. 2.
3.Fig. 3.
Mesopleuron with median groove, surface not evenly convex; mid-tibial spur not enlarged
1.Fig. 1.
2.Fig. 2.
future couplets
