Subfamily Tetracneminae
- Genus Acerophagoides Blanchard
- Acerophagoides triangularis Blanchard
- Genus Aenasius Walker
- Aenasius advena Compere
- Aenasius brethesi De Santis
- Aenasius caeruleus Brues
- Aenasius chilecito Trjapitzyn & Trjapitzyn
- Aenasius punctatus Compere
- Aenasius tachigaliae (Brues)
- Genus Aeptencyrtus De Santis
- Aeptencyrtus bruchi (De Santis)
- Genus Anagyrus Howard
- Anagyrus aciculatus (Blanchard)
- Anagyrus ananatis Gahan
- Anagyrus bellator (De Santis)
- Anagyrus bifasciatus (Brèthes)
- Anagyrus brevistigma De Santis
- Anagyrus cachamai Triapitsyn, Logarzo & Aguirre
- Anagyrus coccidivorus Dozier
- Anagyrus diversicornis (Howard)
- Anagyrus jucundus De Santis
- Anagyrus lopezi (De Santis)
- Anagyrus malenotus (De Santis)
- Anagyrus montivagus (De Santis)
- Anagyrus pseudococci (Girault)
- Anagyrus quilmes Triapitsyn, Logarzo & Aguirre
- Anagyrus rusticus (De Santis)
- Anagyrus tanystis De Santis
- Genus Anusioptera Brues
- Anusioptera aureocincta Brues
- Genus Blepyrus Howard
- Blepyrus pretiosus (Timberlake)
- Genus Chrysoplatycerus Ashmead
- Chrysoplatycerus flavicollis (De Santis)
- Genus Gyranusoidea Compere
- Gyranusoidea pseudococci (Brèthes)
- Genus Hambletonia Compere
- Hambletonia pseudococcina Compere
- Genus Holcencyrtus Ashmead
- Holcencyrtus myrmicoides (Compere & Zinna)
- Genus Leptomastidea Mercet
- Leptomastidea abnormis Girault
- Leptomastidea hypogeococci Triapitsyn
- Genus Pelmatencyrtus De Santis
- Pelmatencyrtus bonariensis De Santis
- Genus Rhopus Förster
- Rhopus desantisiellus Ghesquière
- Genus Tetracnemoidea Howard
- Tetracnemoidea peregrina (Compere)
- Genus Tetracnemus Westwood
- Tetracnemus maculipennis (De Santis)
