| argentina | | strelkovimermis spiculatus | species | 12 | 0 |
| argentina | buenos aires province | strelkovimermis spiculatus | species | 0 | 2 |
| azerbaijan | baku city | romanomermis culicivorax | species | 0 | 1 |
| azerbaijan | masally district | romanomermis culicivorax | species | 0 | 1 |
| brazil | roraima | romanomermis iyengari | species | 0 | 1 |
| canada | quebec | gastromermis viridis | species | 0 | 2 |
| canada | quebec | isomermis wisconsinensis | species | 0 | 2 |
| canada | quebec | mesomermis camdenensis | species | 0 | 2 |
| colombia | valle del cauca department | romanomermis culicivorax | species | 0 | 1 |
| cuba | havana province | romanomermis culicivorax | species | 0 | 1 |
| cuba | isla de la juventud province | romanomermis iyengari | species | 0 | 1 |
| czech republic | | mermis sp. k-06 | species | 1 | 0 |
| ghana | eastern region | isomermis lairdi | species | 9 | 0 |
| ghana | northern region | isomermis lairdi | species | 0 | 1 |
| hungary | | hexamermis albicans | species | 1 | 0 |
| india | | mermithidae sp. cmsk-2017 | species | 1 | 0 |
| india | kerala | romanomermis iyengari | species | 0 | 1 |
| india | puducherry | romanomermis iyengari | species | 0 | 2 |
| iran | fars province | romanomermis culicivorax | species | 0 | 1 |
| italy | piemonte region | hexamermis popilliae | species | 4 | 0 |
| japan | | mermithidae sp. nm1 | species | 1 | 0 |
| mexico | oaxaca | romanomermis culicivorax | species | 0 | 1 |
| mexico | oaxaca | romanomermis iyengari | species | 0 | 2 |
| new zealand | | mermithidae sp. l-1376 | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931a | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931b | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931c | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931d | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931e | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931f | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931g | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931h | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931i | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931j | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931k | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931l | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931m | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1931n | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1932a | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1932b | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1932c | species | 1 | 0 |
| new zealand | | mermithidae sp. l-1932d | species | 1 | 0 |
| new zealand | | mermithidae sp. l-2000a | species | 1 | 0 |
| new zealand | | mermithidae sp. l-2000b | species | 1 | 0 |
| new zealand | | mermithidae sp. l-2000c | species | 1 | 0 |
| new zealand | | mermithidae sp. l-2000d | species | 1 | 0 |
| new zealand | | mermithidae sp. l-3238 | species | 1 | 0 |
| new zealand | | mermithidae sp. l-3891a | species | 1 | 0 |
| new zealand | | mermithidae sp. l-3891b | species | 1 | 0 |
| new zealand | | mermithidae sp. l-3903 | species | 1 | 0 |
| new zealand | | mermithidae sp. l-4414 | species | 1 | 0 |
| new zealand | | mermithidae sp. l-5533 | species | 1 | 0 |
| new zealand | | mermithidae sp. l-6277a | species | 1 | 0 |
| new zealand | | mermithidae sp. l-6277b | species | 1 | 0 |
| new zealand | | mermithidae sp. l-7226 | species | 1 | 0 |
| new zealand | wellington | thaumamermis zealandica | species | 5 | 0 |
| philippines | | mermithidae sp. svm-2017 | species | 1 | 0 |
| russia | moscow city | romanomermis culicivorax | species | 0 | 1 |
| russia | voronezh oblast | romanomermis culicivorax | species | 0 | 1 |
| samoa | | romanomermis culicivorax | species | 0 | 1 |
| south africa | | mermithidae sp. sa1 | species | 3 | 0 |
| spain | la rioja | isomermis lairdi | species | 6 | 0 |
| tajikistan | dushanbe | romanomermis iyengari | species | 0 | 1 |
| united states | | agamermis sp. fls-2016 | species | 2 | 0 |
| united states | california | mermithidae sp. c-av-2003 | species | 1 | 0 |
| united states | california | romanomermis culicivorax | species | 0 | 1 |
| united states | delaware | mermis nigrescens | species | 2 | 0 |
| united states | hawaii | mermis nigrescens | species | 0 | 1 |
| united states | hawaii | mermithidae sp. a-av-2003 | species | 1 | 0 |
| united states | hawaii | mermithidae sp. b-av-2003 | species | 1 | 0 |
| united states | louisiana | romanomermis culicivorax | species | 0 | 1 |
| united states | pennsylvania | mermis nigrescens | species | 2 | 0 |
| united states | vermont | mermis nigrescens | species | 2 | 0 |
| uzbekistan | toshkent city | romanomermis iyengari | species | 0 | 1 |
| uzbekistan | toshkent region | romanomermis iyengari | species | 0 | 1 |