Oxyporus, Fabricius, 1775

Key to the species of Oxyporus View in CoL View at ENA of Yunnan

1 Body entirely black; known from Baoshan ................................................................................... O. femoratus Zheng

- Body bicolor ................................................................................................................................................................. 2

2 Head black to brownish black....................................................................................................................................... 3

- Head yellow to reddish yellow ..................................................................................................................................... 7

3 Maximum length more than 9 mm; known from Lijiang ................................................................ O. germanus Sharp

- Maximum length no more than 9 mm ..........................................................................................................................4

4 Abdomen brownish yellow, with two longitudinal black fasciae on tergites 3–7; known from Binchuan .................... ..........................................................................................................................................................bifasciarius Zheng

- Abdomen without black longitudinal fasciae ............................................................................................................... 5

5 Abdominal tergites 3–4 or 3–5 yellow to reddish yellow; known from Dali .................................... O. riparius Zheng

- Abdominal tergites 3–4 or 3–5 black........................................................................................................................... 6

6 Elytra with black area in basal part of suture; pronotal disc bearing 2 vague longitudinal depressiions in middle just behind the transverse depression; know from Lijiang ................................................ O. transversesulcatus Bernhauer

- Elytra without black area in basal part of suture, pronotal disc bearing 3 vague longitudinal depressiions in middle just behind the transverse depression; known from Kunming ........................................................... O. kunmingius Li

7 Abdominal segments 3–5 black; known from Lijiang......................................................................... O. yulong Zheng

- Abdominal segments 3–5 brownish yellow to reddish yellow ..................................................................................... 8

8 Posterior portion of gula and metasternum brownish yellow; known from Puer....................................... O. lii Zheng

- Posterior portion of gula and metasternum reddish yellow .......................................................................................... 9

9 Pronotal anterior without macula, disc with 2 deep, transverse depressions before middle; known from Puer ............ .................................................................................................................................................................. O. puerius Li

- Pronotal anterior 1/2 bearing a black small suquadrate macula, disc with 1 deep, transverse depressions before middle; known from Mojiang ................................................................................................... O. bingshengae sp. nov. Li