Gerris errans Wolff, 1804: 161. STS: EU; lost.
Capsus collaris Fallén, 1807: 103 (syn. Herrich-Schaeffer, 1835b: 83). STS: male, female, Sweden, Westrogothia [= prov. Västergötland], Kinnekullie and Roslagia [= prov. Roslagen], Forsmark; MZLU.
Capsus collaris var. longicollis Fallén, 1829: 125. HT: male, Sweden, Anneberg Smolandiae; MZLU.