Lycocerus kiontochananus

Yang, Yuxia & Yang, Xingke, 2014, Notes on Lycocerus kiontochananus (Pic, 1921) and description of two new species of Lycocerus Gorham from China (Coleoptera, Cantharidae), Zootaxa 3774 (6), pp. 523-534 : 524

A key to Lycocerus kiontochananus and similar species

1. Aedeagus: parameres conjoint on dorsal side................................. L. nigrigenus Y. Yang & X. Yang, 2013

- Aedeagus: parameres separated on dorsal side............................................................... 2

2. Legs with pro- and meso-outer claws each with a tooth at base in both sexes....................................... 3

- Legs with pro- and meso-outer claws simple in both sexes..................................................... 4

3. Head behind eyes metallic dark blue and weakly shiny; antennae slightly flatted, without grooves in male; pronotum with lat-eral margins nearly parallel............................................................. L. metalliceps sp. nov.

- Head entirely black, not metallic; antennae filiform, antennomeres V–XI each with a short, narrow and smooth longitudinal groove at apical part of outer margin in male; pronotum with lateral margins distinctly diverging posteriorly.................................................................................................. L. hainanus sp. nov.

4. Abdomen yellow at the last segment in female............................................................... 5

- Abdomen entirely black or yellow in female................................................................ 6

5. Pronotum distinctly longer than wide in male; aedeagus: basal piece of each paramere with outer margin not extending to the bottom of the emargination between dorsal plate and ventral process in lateral view; abdominal sternite VIII of female with middle emargination distinctly shallower than lateral ones of posterior margin.............. L. kiontochananus ( Pic, 1921)

- Pronotum nearly as long as wide in male; aedeagus: basal piece of each paramere with outer margin extending to the bottom of the emargination between dorsal plate and ventral process in lateral view; abdominal sternite VIII of female with middle emar-gination slightly shallower than lateral ones L. perroudi ( Pic, 1937) stat. rev.

6. Pronotum distinctly darkened at anterior margin and or a black marking in center of disc............................. 7

- Pronotum entirely yellow or red.......................................................................... 8

7. Pronotum with a black marking in center of disc, legs with femora mostly brown................. L. hansi ( Švihla, 2004)

- Pronotum without any black marking on disc, legs with femora entirely black......... L. atropygidialis ( Pic, 1937) stat. nov.

8. Aedeagus: median lobe with a pair of longitudinal sclerites on dorso-basal side...... L. naokii ( Okushima & Imasaka, 2000)

- Aedeagus: median lobe without longitudinal sclerites......................................................... 9

9. Aedeagus: dorsal plate of each paramere with inner angle distinctly bent ventrally, outer margin sinuate.................................................................................................... L. jendeki Švihla, 2005

- Aedeagus: dorsal plate of each paramere with inner angle not bent ventrally, outer margin nearly straight.............................................................................................. L. pubescens ( Wittmer, 1983)