Nysius aa- Nysius abnormis
- Nysius albipennis
- Nysius angustatus
- Nysius baeckstroemi
- Nysius beardsleyi
- Nysius blackburni
- Nysius caledoniae
- Nysius cargadosensis
- Nysius ceylanicus
- Nysius chenopodii
- Nysius coenosulus
- Nysius communis
- Nysius contiguus
- Nysius convexus
- Nysius cymoides
- Nysius dallasi
- Nysius delectulus
- Nysius delectus
- Nysius dohertyi
- Nysius ericae
- Nysius euphorbiae
- Nysius eximius
- Nysius expressus
- Nysius feuerboni
- Nysius feuerborni
- Nysius frigatensis
- Nysius fucatus
- Nysius fullawayi
- Nysius fuscovittatus
- Nysius graminicola
- Nysius grandis
- Nysius groenlandicus
- Nysius hardyi
- Nysius helveticus
- Nysius huttoni
- Nysius immunis
- Nysius inconspicuus
- Nysius insoletus
- Nysius irroratus
- Nysius kinbergi
- Nysius lacustrinus
- Nysius lichenicolus
- Nysius liliputanus
- Nysius longicollis
- Nysius melanicus
- Nysius minor
- Nysius mixtus
- Nysius monticolus
- Nysius neckerensis
- Nysius nemorivagus
- Nysius niger
- Nysius nihoae
- Nysius oceanicus
- Nysius palor
- Nysius paludicolus
- Nysius picipes
- Nysius plebeius
- Nysius procerus
- Nysius puberulus
- Nysius pulchellus
- Nysius punctipes
- Nysius raphanus
- Nysius rhyparus
- Nysius rubescens
- Nysius salti
- Nysius sanctahelenae
- Nysius scutellatus
- Nysius senecionis
- Nysius simulans
- Nysius spectabilis
- Nysius steeleae
- Nysius sublittoralis
- Nysius suffusus
- Nysius tenellus
- Nysius terrestris
- Nysius thymi
- Nysius usitatus
- Nysius vinitor
- Nysius vulcanorum
- Nysius wekiuicola