| canada | british columbia | membranoptera platyphylla | species | 14 | 0 |
| canada | new brunswick | membranoptera fabriciana | species | 9 | 0 |
| canada | newfoundland and labrador | membranoptera fabriciana | species | 10 | 0 |
| canada | nova scotia | membranoptera fabriciana | species | 4 | 0 |
| canada | quebec | membranoptera fabriciana | species | 2 | 0 |
| canada | quebec | membranoptera platyphylla | species | 3 | 0 |
| france | bretagne region | membranoptera alata | species | 5 | 0 |
| greenland | | membranoptera alata | species | 1 | 0 |
| norway | hordaland county | membranoptera alata | species | 2 | 0 |
| united states | | membranoptera platyphylla | species | 2 | 0 |
| united states | california | membranoptera platyphylla | species | 6 | 0 |
| united states | california | membranoptera tenuis | species | 4 | 0 |
| united states | california | membranoptera weeksiae | species | 8 | 0 |
| united states | maine | membranoptera fabriciana | species | 1 | 0 |
| united states | oregon | membranoptera platyphylla | species | 1 | 0 |
| united states | washington | membranoptera platyphylla | species | 4 | 0 |
| united states | washington | membranoptera tenuis | species | 5 | 0 |