Sinella umesaoi Yosii, 1940

Ding, Yin-Huan & Zhang, Feng, 2015, Contribution to the eyed Sinella from China: two new species and additional reports on nine known species (Collembola: Entomobryidae), Zootaxa 3973 (3), pp. 474-490 : 488

Sinella umesaoi Yosii, 1940

Figs 9 , 57 , Table 2

Type locality. Japan, Hokkaido.

Material examined. Female on slide and 4 in alcohol, China: Jilin Province: Changchun City: Northeast Changchun City Urban Wetland Park, 43.986°N, 125.36°E, alt. 217 m, 31.viii.2013, in litter, F Zhang and X Sun leg. (# 2013 DBCC); female on slide and numerous in alcohol, China, Jilin Province, Gongzhuling City, Jilin Academy of Agricultural Sciences, 43.50°N, 124.817°E, alt. 114 m, in farmland, 15.ix.2013, X Sun leg.

Additions to original description. Clypeus with 7 ciliate chaetae, outer two much smaller ( Fig. 57 ). Cephalic groove with 6 chaetae, anterior three smooth and posterior three ciliate.

Distribution. Jilin, Shandong ( China); Japan; Korea.

Remarks. S. umesaoi resembles Entomobrya species in appearance because of its grey coloration, while other Sinella species have no or orange pigments. More comparison with other two 5+5 eyed species sees above remarks ( Table 2 ) and Pan et al. (2012).

Figures

FIGURES 7 – 10. Habitus: 7, S. quinocula; 8, S. sunae; 9, S. umesaoi; 10, S. wui. Photos of species were taken from fresh material.

FIGURES 51 – 59. 51, labial and post-labial chaetae in S. quinocula; 52 – 54, S. sunae; 52, clypeal chaetae; 53, labial and postlabial chaetae; 54, chaetotaxy of Abd. IV, only two short S-chaetae (as, ps) shown and others unclear; 55 – 56, S. transoculata; 55, hind claw; 56, clypeal chaetae; 57, clypeal chaetae in S. umesaoi; 58 – 59, S. wui; 58, clypeal chaetae; 59, lateral flap of ventral tube.