Collecting site
Rishiri Island, Japan
latitude: 45.180557 45 10 50 N
longitude: 141.243057 141 14 35 E
[Precision of location: Alexandria Digital Library (with NGA GNDB data)]
[Site Named Here by name of island, bay, strait, lake, river, or stream, etc., named in source publication]
Collected here:
Bdellocephala borealis | Aug 22-24, 1956 | | | 200 specimens, both sexually mature and immature, were collected from an outlet of Hime-numa Pond, Rishiri Island. |
Bdellocephala borealis | Sep 2-4, 1957 | | | About 1,500 specimens, both sexually mature and immature, were collected from an outlet of Hime-numa Pond, Rishiri Island. |
Vannuccia hirutai | Jul 31, 1978 | | | Die Insel Rishiri. Die Küste Numaura. Ein Expl. |
Bdellocephala borealis | Aug 2-5, 1964 | | | About 2,000 specimens, both sexually mature and immature, were collected from an outlet of Hime-numa Pond, Rishiri Island. |
Polycelis schmidti | 1969 or earlier | | | Middle and South Hokkaaidô (including Rishiri Island). |