| 2.0 |
2008-02-15 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 3.0 |
2010-09-20 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 4.0 |
2011-10-12 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 5.0 |
2012-07-18 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 6.0 |
2013-04-08 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 7.0 |
2013-11-19 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 8.0 |
2014-12-01 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis Villa & Villa, 1833 |
| 9.0 |
2015-12-09 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 10.0 |
2016-11-03 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 11.0 |
2017-12-06 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 12.0 |
2018-10-23 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 13.0 |
2019-12-06 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 14.0 |
2020-12-15 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 15.0 |
2021-12-16 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1883 |
| 16.0 |
2022-12-06 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1833 |
| 17.0 |
2024-01-10 |
Helophorus nivalis Thomson, 1853 |
Helophorus glacialis A. Villa & G.B. Villa, 1833 |
