Species
Hydaticus aruspex
Regional IUCN Red List category: Data Deficient.
| Total records | 42 ( ) |
| Total species | 1 |
| Records in Estonia | 42 ( ) |
| Species in Estonia | 1 |
| First occurrence in Estonia | 1951-06-03 |
| Latest occurrence in Estonia | 2026-06-16 |
| First occurrence in Estonia this year | 2026-05-07 |