Cephennodes (s. str.) antennatus Jałoszyński & Nomura, 2009

Cephennodes (s. str.) antennatus Jałoszyński & Nomura, 2009 View in CoL [ Vietnam]

Cephennodes (s. str.) carinifrons Jałoszyński, 2007a View in CoL [ China: Yunnan]

Cephennodes (s. str.) depressifrons Jałoszyński & Nomura, 2009 View in CoL [ Vietnam]

Cephennodes (s. str.) elevatus Jałoszyński, 2015b View in CoL [ China: Guangxi]

Cephennodes (s. str.) frontocarinatus Jałoszyński & Nomura, 2008 View in CoL [ Thailand]

Cephennodes (s. str.) hongkongensis Jałoszyński, 2008a View in CoL [ China: Hong Kong]

Cephennodes (s. str.) huapingensis Jałoszyński, 2015b View in CoL [ China: Guangxi]

Cephennodes (s. str.) impressifrons Jałoszyński, 2007a View in CoL [ China: Guangxi]

Cephennodes (s. str.) nasalis Jałoszyński & Nomura, 2009 View in CoL [ Vietnam]

Cephennodes (s. str.) pteroscapus Jałoszyński, 2007b View in CoL [ China: Sichuan]

Cephennodes (s. str.) rhinoceros Jałoszyński & Nomura, 2008 View in CoL [ Thailand]

Cephennodes (s. str.) sulcatifrons Jałoszyński & Nomura, 2009 View in CoL [ Vietnam]

Cephennodes (s. str.) triangulifrons Jałoszyński, 2007a View in CoL [ China: Yunnan]

Six new species are described below.

Key to males of Cephennodes impressifrons View in CoL species group of China

1 Antennomere 7 strongly enlarged and asymmetrical.......................................................... 2

- Antennomere 7 not enlarged and symmetrical............................................................... 3

2 Antennomere 7 with round flat mesal surface........................................... C. asymmetricus sp. nov.

- Antennomere 7 with subtriangular mesal projection........................................ C. antennatus View in CoL sp. nov.

3 Anteromesal margin of scape conspicuously projecting anterad........................... C. pteroscapus Jałoszyński View in CoL

- Anteromesal margin of scape not projecting anterad.......................................................... 4

4 Scape with dorsomesal region flat, projecting mesad, and demarcated by longitudinal dorsal carina from lateral (outer) region..................................................................... C. transversicarinatus sp. nov.

- Scape not modified.................................................................................... 5

5 Head with large median glossy area anteriorly delimited by U- or V-shaped carina.................................. 6

- Head lacking median glossy area delimited anteriorly by U- or V-shaped carina.................................... 8

6 Carina on anterior margin of frontal median glossy area broadly U-shaped................... C. carinifrons Jałoszyński View in CoL

- Carina on anterior margin of frontal glossy median area V-shaped, distinctly angulate anteromedially................... 7

7 Frontal glossy median area as broad as 1/3 of head width across eyes, bearing median longitudinal stripe of fine setiferous punctures.................................................................... C. triangulifrons Jałoszyński View in CoL

- Frontal glossy median area as broad as 1/4 of head width across eyes, bearing long and deep median longitudinal groove.. C. glabrifrons sp. nov.

8 Head with pair of setose and punctate impressions between eyes............................. C. elevatus Jałoszyński View in CoL

- Head with pair of asetose and impunctate impressions between eyes, or with one asetose and impunctate impression...... 9

9 Frontovertexal region with one broad impression, and with pair of elongate elevations between supraantennal tubercles................................................................................. C. huapingensis Jałoszyński View in CoL

- Frontovertexal region with pair of impressions............................................................. 10

10 Frons just anterior to asetose impressions with large median asetose and glossy round tubercle..... C. tuberculatus sp. nov.

- Frons lacking large median asetose and glossy round tubercle (a small setose tubercle may be present)................. 11

11 Anterior margins of asetose impressions on frontovertexal region elevated and forming continuous transverse carina........................................................................................ C. biimpressus sp. nov.

- Anterior margins of asetose impressions not forming continuous transverse carina................................. 12

12 In ventral view, capsular portion of median lobe with elongate subtriangular sharp-angled apex strongly shifted to the left, and distal plate tapering distad...................................................... C. hongkongensis Jałoszyński View in CoL

- In ventral view, capsular portion of median lobe with short subtriangular obtuse-angled apex strongly shifted to the right, and distal plate truncate apically...................................................... C. impressifrons Jałoszyński View in CoL