| Heraeus triguttatus Guérin-Méneville, 1857 |
| Ischnodemus Fieber, 1837 |
| Ischnodemus fulvipes (De Geer, 1773) |
| Ischnodemus fulvipes subsp. schaffneri Slater & Wilcox, 1969 |
| Ischnodemus praecultus Distant, 1882 |
| Ischnorhynchinae Stål |
| Isthmocoris McAtee, 1914 |
| Isthmocoris imperialis Distant, 1882 |
| Isthmocoris slevini Van Duzee, 1928 |
| Isthmocoris tristis (Stål, 1854) |
| Kleidocerys Stephens, 1829 |
| Kleidocerys pallipes Brailovsky, 1976 |
| Kleidocerys punctatus Distant, 1893 |
| Kleidocerys resedae (Panzer, 1797) |
| Kleidocerys resedae subsp. geminatus Say, 1831 |
| Kleidocerys virescens (Fabricius, 1794) |
| Kolenetrus Barber, 1918 |
| Kolenetrus plenus Distant, 1882 |
| Lachnesthus Bergroth, 1915 |
| Lachnesthus singalensis Dohrn, 1860 |