| DRYOPIDAE | ||||||
| Pelonomus o. obscurus LeConte (4,5,7) | ||||||
| Helichus basalis LeConte (3) | ||||||
| H. fastigiatus (Say) (3) | ||||||
| H. lithophilus (Germar) (1,3) | ||||||
| H. suturalis LeConte (2,3,4,5,6,7) | ||||||
| 1. Reported by Brown, 1959 | ||||||
| 2. Reported by Brown, 1965 | ||||||
| 3. Reported by Brown, 1983 | ||||||
| 4. Reported by Kondratieff et al., 2005 | ||||||
| 5. Reported by Reisen, 1975 | ||||||
| 6. Reported by Sanderson & Brown, 1959 | ||||||
| 7. Reported by Zuellig et al., 2006 | ||||||
| 2 genera - 5 species | ||||||