| austria | vorarlberg | malacosoma alpicolum | species | 2 | 0 |
| austria | vorarlberg | malacosoma neustria | species | 1 | 0 |
| canada | | malacosoma disstria | species | 3 | 0 |
| canada | alberta | malacosoma californicum | species | 9 | 0 |
| canada | alberta | malacosoma disstria | species | 35 | 0 |
| canada | british columbia | malacosoma californicum | species | 150 | 0 |
| canada | british columbia | malacosoma disstria | species | 13 | 0 |
| canada | british columbia | malacosoma pluvialis | species | 4 | 0 |
| canada | british columbia | malacosoma sp. bold:aaa2494 | species | 16 | 0 |
| canada | manitoba | malacosoma disstria | species | 1 | 0 |
| canada | new brunswick | malacosoma americanum | species | 11 | 0 |
| canada | new brunswick | malacosoma californicum pluviale | subspecies | 1 | 0 |
| canada | new brunswick | malacosoma disstria | species | 12 | 0 |
| canada | new brunswick | malacosoma pluvialis | species | 1 | 0 |
| canada | ontario | malacosoma americanum | species | 31 | 0 |
| canada | ontario | malacosoma disstria | species | 139 | 0 |
| canada | ontario | malacosoma sp. bold:aaa4130 | species | 8 | 0 |
| canada | quebec | malacosoma disstria | species | 5 | 0 |
| canada | saskatchewan | malacosoma disstria | species | 16 | 0 |
| canada | saskatchewan | malacosoma sp. bold:aaa4130 | species | 2 | 0 |
| germany | bavaria | malacosoma alpicolum | species | 1 | 0 |
| germany | bavaria | malacosoma neustria | species | 3 | 0 |
| india | | malacosoma disstria | species | 1 | 0 |
| united kingdom | | malacosoma neustria | species | 1 | 0 |
| united kingdom | england | malacosoma neustria | species | 3 | 0 |
| united states | kentucky | malacosoma americanum | species | 1 | 0 |