Cercyon (Paracycreon) subsolanus Balfour-Browne, 1939

Jia, Feng-Long, Fikáček, Martin & Ryndevich, Sergey K., 2011, Taxonomic notes on Chinese Cercyon: description of a new species, new synonyms, and additional faunistic records (Coleoptera: Hydrophilidae: Sphaeridiinae), Zootaxa 3090, pp. 41-56 : 50-52

Cercyon (Paracycreon) subsolanus Balfour-Browne, 1939

( Figs. 24–27 )

Cercyon subsolanus Balfour-Browne, 1939: 4 . For complete synonymy see Hansen (1999). Cercyon linearis Wu & Pu, 1995 in Jia et al. 1995: 127. syn. nov.

Type material examined. Cercyon subsolanus : Holotype, 3, “ Type, 931Q, Singapore, C.J. Saunders, B.M. 1929- 369, Cercyon subsolanus Balfour-Browne det”. Paratypes: 3. “ Paratype, 931Q”; Ƥ (Allotype), “ Singapore, 22.IX.-19.XII.1915, Dr. M. Cameron, Brit. Mus,, 1932-121 (all in BMNH).

Cercyon linearis : Holotype: 1 3 ( SYSU), “Xinyi, 8.v.1986, leg. Wu Wu // Holotype, Cercyon linearis sp. nov. Pu et Wu, det. Wu Wu”. Paratypes: 1 Ƥ ( SYSU), “Xinyi, 8.v.1986, leg. Wu Wu // Allotype, Cercyon linearis sp. nov. Pu et Wu, det. Wu Wu”; 2 exs. ( SYSU), “Xinyi, 6.v. 1986, leg. Wu Wu // Paratype, Cercyon linearis , det. Wu Wu”.

Additional material examined. CHINA: Guangdong: 19 exs., Xinyi 6-9.v.1986 ( SYSU). JIANGXI: 1 ex., Jiulianshan mount, 14.vii.2008, leg. Fenglong Jia ( SYSU). TAIWAN: 1 Ƥ, Taipei ( HUMS). VIETNAM: 1 ex., Hoa-Binh. leg. A. de. Cooman (identified as Cercyon vicinalis ) ( SYSU). INDONESIA: 12 exs., Sumbawa ( HUMS).

Taxonomic notes. The type specimens of C. linearis correspond well with the Oriental specimens of C. subsolanus in all external characters and the morphology of male genitalia (see Ryndevich 2008). Therefore, we propose here C. linearis as a junior subjective synonym of C. subsolanus .

Distribution. Bhutan, China, India, Indonesia, Malaysia, Nepal, Philippines, Singapore, Sri Lanka, Thailand, Vietnam ( Hansen 1999, 2004, Ryndevich 2008).

Figures

FIGURES 24 – 30. Holotypes of Cercyon species. 24 – 27: C. linearis Wu & Pu, 1995 [= C. subsolanus] (24: lateral view, 25: ventral view, 26: labels, 27: apical portion of the aedeagus). 28 – 30: C. nigrostriatus Wu & Pu, 1995 [= C. lineolatus] (28: dorsal view, 29: ventral view, 30: labels).