Xenysmoderodes

Yang, Ni, Zhang, Runzhi & Ren, Li, 2013, Two new species of Xenysmoderodes from China (Coleoptera: Curculionidae: Ceutorhynchinae), Zootaxa 3620 (4), pp. 533-543 : 542

Key to the species of Xenysmoderodes

1. Rostrum without dorsal median carina..................................... Xenysmoderodes sasajii Yoshitake, 2007

- Rostrum with dorsal median carina ( Figs. 27, 28 )........................................................... 2

2. Median carina on dorsal surface of the rostrum and vertex not connected ( Fig. 27 ); pronotum without acute angle at middle of anterior margin; both sides of pronotal carina with two longitudinal carinae ( Fig. 4 ); middle of ventrite of male with deep concavity ( Fig. 5 ); aedeagal body nearly flat and densely covered with spicules at apex ( Fig. 7 ).................................................................................................. Xenysmoderodes concavus sp. nov.

- Median carina on dorsal surface of rostrum and vertex connected ( Fig. 28 ); pronotum with acute angle at middle of anterior margin; each side of pronotal carina with one longitudinal carina ( Fig. 13 ); middle of ventrite of male with dense patch of setae ( Fig. 15 ), aedeagal body constricted, projected towards apex and densely covered with minute spicules near apex ( Fig. 19 ).......................................................................... Xenysmoderodes flos sp. nov.

Figures

FIGURES 27 – 28. Xenysmoderodes concavus sp. nov., 27, male holotype, dorsal view of rostrum, frons without carina; Xenysmoderodes flos sp. nov., 28, male holotype, dorsal view of rostrum, frons with carina. Scales are 0.5 mm.

FIGURES 1 – 4. Xenysmoderodes concavus sp. nov. male holotype. 1, lateral habitus; 2, dorsal habitus; 3, lateral view of prothorax; 4, dorsal view of prothorax. Scales are 0.5 mm.

FIGURES 5 – 10. Xenysmoderodes concavus sp. nov. male holotype; 5, ventrites to; 6, pygidium; 7, dorsal view of aedeagus; 8, lateral view of aedeagus; 9, sternite IX; 10, tegmen. Scales are 0.5 mm.

FIGURES 11 – 14. Xenysmoderodes flos sp. nov. male holotype. 11, dorsal habitus; 12, lateral habitus; 13, dorsal view of prothorax; 14, lateral view of prothorax. Scales are 0.5 mm.

FIGURES 15 – 18. Xenysmoderodes flos sp. nov. 15 – 16, male holotype; 15, ventrites to; 16, pygidium; 17 – 18, female paratype; 17, ventrites to; 18, pygidium. Scales are 0.5 mm.

FIGURES 19 – 26. Xenysmoderodes flos sp. nov. 19 – 22, male holotype; 19, aedeagus, dorsal view; 20, aedeagus, lateral view; 21, sternite IX; 22, tegmen; 23 – 26, female paratype; 23, tergite VIII; 24, sternite VIII; 25, spermatheca; 26, coxite and stylus. Scales are 0.5 mm.