| Fast-calling Tree Cricket | Oecanthus | celerinictus | | 2 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Davis's Tree Cricket | Oecanthus | exclamationis | | 14 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Snowy Tree Cricket | Oecanthus | fultoni | | 3 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Broad-winged Tree Cricket | Oecanthus | latipennis | | 29 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Black-horned Tree Cricket | Oecanthus | nigricornis | | 3 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Narrow-winged Tree Cricket | Oecanthus | niveus | | 94 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Pine Tree Cricket | Oecanthus | pini | | 21 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |
| Four-spotted Tree Cricket | Oecanthus | quadripunctatus | | 5 | Crickets | Gryllidae | Orthoptera | Insecta | Animalia |