Cylindera (Conidera), Rivalier, 1961

Key to species of Conidera View in CoL

1. Labrum strongly protruded in middle, its median length more than twice its lateral length ( Fig. 5 View Figures 3–13 ); each elytron rounded posteriorly; sutural spine shifted anteriorly, in female much stronger than in male ( Fig. 8, 9 View Figures 3–13 ); medium-sized species, body length 9.7–11.1 mm; locality from Mindoro (and Mindanao?)............................................................................ Cylindera ( Conidera) mindoroana Zettel and Wiesner View in CoL , new species

— Labrum weakly protruded in middle, its median length at most 1.6 times its lateral length ( Fig. 6, 7 View Figures 3–13 ); elytron not or hardly rounded posteriorly, truncated in female; sutural spine normal, at apex of elytron ( Fig. 10–13 View Figures 3–13 ); locality from Luzon................................... 2

2(1). Labrum with small medial tooth ( Fig. 7 View Figures 3–13 ); sides of clypeus glabrous; small species, body length 7–8 mm................................. Cy. ( Co.) mandibularis (Schaum, 1860) View in CoL

— Labrum lacks medial tooth ( Fig. 6 View Figures 3–13 ); sides of clypeus setose; large species, body length 11– 12.5 mm..................................... Cy. ( Co.) conicollis (Schaum, 1862) View in CoL