Lycocerus hanatanii
Creators: name: Hsiao, Yun
name: Okushima, Yûichi
name: Yang, Ping-Shih
name: Ko, Chium-Cheng
Publisher: name: Zenodo
Year: 2016
Subjects: Biodiversity
Taxonomy
Animalia
Arthropoda
Insecta
Coleoptera
Cantharidae
Lycocerus
Lycocerus hanatanii

description: Key to the species of the L. hanatanii species group
1. Coloration: mostly yellowish or blackish, with wide yellowish stripe on head, pronotum and elytra, respectively ....................................................................................................................................... 2
– Coloration: mostly blackish; pronotum completely black or fringed with yellowish margins or orange to yellowish brown, with black marking in middle; elytra completely black, or with small and slender yellowish brown stripes on humeri ............................................................................... 5
2. Head black, with frons yellowish; pronotum yellowish brown, with a large black marking in middle; aedeagus: dorsal plate of each paramere nearly touching on inner margin (Fig. 1K) ...................... 3
– Head dark yellow, with a black marking on the vertex; pronotum dark yellow, with a longitudinal black marking in middle, elytra completely pale yellow or fuscous, with pale yellow longitudinal stripe on each elytron; aedeagus: dorsal plate of each paramere concave on inner margin (Fig. 1L) ............................................................................................................................................ 4
3. Aedeagus: ventral process expanded apically, curved inwards; dorsal plate with a rounded apex; laterophyse acute and barely visible in lateral view ........................ L. hanatanii (Okushima, 1996)
– Aedeagus: ventral process almost straight and slightly curved inwards; dorsal plate with a pointed apex; laterophyse stout and invisible in lateral view ................... L. ueharaensis (Okushima, 1996)
4. Elytra completely pale yellow; aedeagus: laterophyse with pointed apex (Fig. 3B) ........................... .................................................................................................................... L. pictus (Wittmer, 1983)
– Elytra fuscous, with wide pale yellow longitudinal stripe on each elytron; aedeagus: laterophyse with truncated apex (Fig. 3E) ................................................. L. yitingi Hsiao & Okushima sp. nov.
5. Aedeagus: dorsal plate of each paramere nearly touching on inner margin (Fig. 1K) ..................... 6
– Aedeagus: dorsal plate of each paramere concave on inner margin (Fig. 1L) ................................. 9
6. Pronotum completely black; aedeagus: apical margin of dorsal plate truncated (Fig. 4B) ........................................................................................................... L. araticollis (Fairmaire, 1897)
– Pronotum completely black or orange, with a black marking in middle; aedeagus: apical margin of dorsal plate rounded (Fig. 4C, G, J) .................................................................................................. 7
7. Coloration of pronotum varying from completely black or orange, with a black marking in middle; aedeagus: dorsal plate longer than ventral process ................................... L. nigripennis (Pic, 1938)
– Coloration of pronotum uniform, orange, with a black marking in middle; aedeagus: dorsal plate nearly as long as ventral process ...................................................................................................... 8
8. Surface of body lusterless; aedeagus: ventral process moderately expanded apically, curved inwards ................................................................................................... L. griseopubens (Pic, 1928)
– Surface of body semilustrous; aedeagus: ventral process strongly expanded apically, slightly curved inwards ........................................................................... L. aurantiacus Hsiao & Okushima sp. nov.
9. Body and legs nearly black; aedeagus: apex of laterophyse more slender and acute (Fig. 5B) ........................................................................................ L. evangelium Hsiao & Okushima sp. nov.
– Pronotum black, fringed with yellowish margins; aedeagus: apex of laterophyse far from apical margin of dorsal plate in lateral view (Fig. 5E) ................... L. kintaroi Hsiao & Okushima sp. nov.
description: Published as part of Hsiao, Yun, Okushima, Yûichi, Yang, Ping-Shih & Ko, Chium-Cheng, 2016, Taxonomic revision of the Lycocerus hanatanii species group (Coleoptera, Cantharidae), with the description of new species from Taiwan, pp. 1-33 in European Journal of Taxonomy 170 on pages 5-6, DOI: 10.5852/ejt.2016.170, http://zenodo.org/record/3832608