| Acrosternum Fieber, 1860 |
| Acrosternum dubium Rider & Rolston, 1986 |
| Acrosternum froeschneri Rolston, 1983 |
| Acrosternum hilare (Say, 1832) |
| Acrosternum marginatum (Palisot de Beauvois, 1811) |
| Acrosternum montivagum (Distant, 1890) |
| Acrosternum scutellatum (Distant, 1890) |
| Acrosternum solitum Rider & Rolston, 1986 |
| Acrosternum triangulum Rider & Rolston, 1986 |
| Adevoplitus Grazia & Becker, 1997 |
| Adevoplitus caseae (Thomas, 1980) |
| Adevoplitus mexicanus (Brailovsky & Barrera, 1982) |
| Agonoscelis Spinola, 1837 |
| Agonoscelis puberula Stål, 1854 |
| Alcaeorrhynchus Bergroth, 1891 |
| Alcaeorrhynchus grandis (Dallas, 1851) |
| Alitocoris Sailer, 1950 |
| Alitocoris brunneus Sailer, 1950 |
| Alitocoris manni Sailer, 1950 |
| Amaurochrous Stål, 1872 |