A new species and new records of Pachytullbergiidae and Tullbergiidae (Collembola: Onychiuroidea) from littoral of China, with notes on the variations of postantennal organ Author Bu, Yun Author Potapov, Mikhail B. Author Gao, Yan text Zootaxa 2013 3669 2 139 146 journal article 43470 10.11646/zootaxa.3669.2.4 5ec10fff-aded-46e6-a399-9569b726e339 1175-5326 218130 AFDE298C-194F-4A22-928F-74D525D7FEDF Mesaphorura yosii (Rusek, 1967) Material examined. One Female, South China , Hainan Province (western coast), Changjiang County, vicinity of Changhua town, Qizi Bay, 19°21' N 108°40'E , sand beach, flotation of sand samples, 7.iv.2011 , C. W. Huang, M. B. Potapov, N. A. Kuznetsova, and Y. Bu leg. 2 females , East China , Zhejiang Province, Zhoushan City, Zhujiajian island, 29°56' N 122°25'E ,, flotation of sand samples (No. 50), 13.iv.2011 , M. B. Potapov and C. W. Huang leg. 1 female (No. 8), East China , Zhejiang province, Zhoushan city, Shengsi Island, 30°40' N 122°15'E , beach with grass dunes, flotation of sand samples, 22.x.2011 , Y. Gao and Y. Bu leg. 1 female , East China , Shandong Province, Yantai City, Zhifu Island, 37°36' N 121°26'E , flotation of sand samples (No. 24), 21.iv.2011 , M. B. Potapov, Y. X. Luan and C. W. Huang leg. 1 female , East China , Shandong Province, Yantai City, 37°27' N 121°30'E , flotation of sand samples from dunes with heavy vegetation (No. 101), 23.iv.2011 , M. B. Potapov, Y. X. Luan and C. W. Huang leg. Distribution. Сosmopolitan. In China the species was often recorded in litter (Shanghai, Guangdong, Hunan, Yunnan, Zhejiang), for the first time in Hainan and Shandong provinces. The species is probably distributed all over the coast of China .