Oryctes

Friedman, Ariel-Leib-Leonid & Dobrinin, Svetlana, 2020, The Persian Date palm trunk borer (Oryctes elegans), a pest of date palm new to Israel (Coleoptera: Scarabaeidae: Dynastinae), Israel Journal of Entomology (Oxford, England) 50 (1), pp. 9-14 : 12-13

An identification key the Oryctes species in Israel

1 Clypeus narrow, apically truncated ( Fig. 9); male pronotum with broad, 3-toothed hump, female pronotum with 1-toothed hump ( Figs 5, 6); hind tibia apicodistally with three wide rounded teeth, two outer ones wider, nearly or completely fused in spoon-like projection ( Fig. 12); body length 23–40 mm; not associated with date palm trunks ............................................................... O. nasicornis kuntzeni

– Clypeus broad, apicomedially widely concave or with deep triangular notch, apicolaterally produced into strong conical tooth ( Figs 7, 8); male pronotum with 2-toothed hump, female pronotum with 1-toothed hump ( Figs 1–4); hind tibia apicodistally with three distinct projected teeth; associated with date palm trunks................................................................................................................. 4

2 Fore tibia with strong anteroventral tooth at anterior tip of ventral carina in both sexes ( Fig. 14); body narrow, parallel-sided; hind tibia apicodistally with two outer teeth pointed ( Fig. 11); body length 32–39 mm; larvae develop in upper part of date palm trunk ....................................................................... O. elegans

– Fore tibia without anteroventral tooth ventrally ( Fig. 13); body more rounded laterally; hind tibia apicodistally with two outer teeth rounded ( Fig. 10); body length 24–39 mm; larvae develop in lower part of date palm trunk................... ....................................................................................... O. agamemnon sinaicus