Cypris pigra, Smith, Robin J., 2011

Smith, Robin J., 2011, Groundwater, spring and interstitial Ostracoda (Crustacea) from Shiga Prefecture, Japan, including descriptions of three new species and one new genus, Zootaxa 3140, pp. 15-37 : 21

Eucypris pigra ( Fischer, 1851)

( Figs 1 L, M)

1851 Cypris pigra n. sp. —Fischer: 158, pl. 9: 11–16.

1870 Cypris tumefacta n. sp. —Brady & Robertson: 13, pl. 4: 4– 6. nov. comb. 1912 Eucypris pigra ( Fischer, 1851) —G. W. Müller: 173.

Material examined. Within Shiga Prefecture: Three females from a spring runoff by the edge of a track in Hinocho, N35º 00’ 06.2”, E 136º 19’ 47.6”, 16 April 2008. 100 females from a small seep at edge of a track in Hino-cho, N35º 00’ 10.5”, E136º 19’ 40.5”, 16 April 2008. Two females from moss at a seep at the edge of a track in Hinocho, N35º 00’ 10.0”, E136º 19’ 36.0”, 16 April 2008. 29 females from a small seep in a small forest clearing, Otsu, N34º 57’ 47.0”, E135º 52’ 01.9”, 10 May 2009. Outside Shiga Prefecture: 26 females from a muddy seep below a concrete dam in Akkeshi, Hokkaido, N43º 01’ 07.8”, E144º 50’ 36.6”, 9 September 2004. All material collected by the author.

Remarks. This species was previously reported from Japan by Okubo (2004) in an irrigation pond in a mountainous region of Kagawa Prefecture. Herein is the first report of this species from Shiga Prefecture and Hokkaido. Elsewhere this species has been recorded from Europe and central Asia ( Meisch 2000).

Figures

FIGURE 1. A – H, Cavernocypris cavernosa n. sp. A. dorsal view of whole carapace, anterior to right (LBM 1430005066). B. right lateral view of whole carapace (LBM 1430005066). C. internal view of right valve (LBM 1430005069). D. nternal view of left valve (LBM 1430005068). E – oblique internal view of left valve, ventral margin uppermost (LBM 1430005068). F. oblique internal view of right valve, ventral margin uppermost (LBM 1430005069). G. ventral view of left valve (LBM 1430005067). H. ventral view of right valve (LBM 1430005070). I – K, Dolerocypris ikeyai. I. left lateral view of carapace (LBM 1430005071). J. external view of left valve (LBM 1430005072). K. internal view of left valve (LBM 1430005073). L & M, Eucypris pigra. L. right lateral view of whole carapace (LBM 1430005075). M. dorsal view of whole carapace, anterior to right (LBM 1430005076). Scale bar = 319 µm for A – H, 609 µm for I – K, and 535 µm for L & M.