Eunargus Perreau

Wang, Cheng-Bin, Růžička, Jan & Zhou, Hong-Zhang, 2015, Nargus (Eunargus) celli sp. nov. (Coleoptera: Leiodidae: Cholevinae: Cholevini), a new species from China, Zootaxa 4012 (3), pp. 570-580 : 572

Key to males of the subgenus Eunargus Perreau of the genus Nargus Thomson

1 Metathoracic wings absent; apical angles of elytra elongated into two very strong teeth that overlap each other; parameres distinctly shorter than median lobe..................................................... N. (E.) taiwanensis Perreau

- Metathoracic wings fully developed; elytral apices wide, not elongated; parameres slightly longer than median lobe....... 2

2 Each elytron yellowish-brown with a large blackish-brown spot at middle; abdominal ventrite VIII very shallowly and widely emarginate on posterior margin; aedeagus in dorsal view with dorsal lamina slender and only slightly sinuate, ventral lamina situated at right side; large tooth of internal sac projected outward from median lobe; parameres in lateral view almost with equal width throughout whole length...................................................... N. (E.) franki Perreau

- Elytra dark brown, concolorous, without any spots; abdominal ventrite VIII deeply emarginate beside large median protrusion on posterior margin; aedeagus in dorsal view with dorsal lamina robust and abruptly turned left in apical part, ventral lamina situated at left side; large tooth of internal sac not projected outward from median lobe; parameres in lateral view very widened around middle......................................................................... N. (E.) celli sp. nov.