| algeria | | cardinium endosymbiont of pezothrips kellyanus | species | 2 | 0 |
| australia | new south wales | cardinium endosymbiont of pezothrips kellyanus | species | 8 | 0 |
| australia | queensland | candidatus cardinium hertigii | species | 11 | 0 |
| australia | queensland | cardinium endosymbiont of pezothrips kellyanus | species | 2 | 0 |
| australia | south australia | cardinium endosymbiont of pezothrips kellyanus | species | 2 | 0 |
| australia | victoria | candidatus cardinium hertigii | species | 26 | 0 |
| austria | | candidatus cardinium hertigii | species | 1 | 0 |
| bangladesh | chittagong division | cardinium endosymbiont of bemisia tabaci | species | 11 | 0 |
| bangladesh | dhaka division | cardinium endosymbiont of bemisia tabaci | species | 61 | 0 |
| bangladesh | rajshahi division | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| bangladesh | rangpur division | cardinium endosymbiont of bemisia tabaci | species | 19 | 0 |
| brazil | | cardinium endosymbiont of encarsia pergandiella | species | 1 | 0 |
| brazil | amazonas | cardinium endosymbiont of brevipalpus phoenicis | species | 6 | 0 |
| brazil | bahia | candidatus cardinium hertigii | species | 218 | 0 |
| brazil | bahia | cardinium endosymbiont of brevipalpus phoenicis | species | 4 | 0 |
| brazil | bahia | uncultured candidatus cardinium sp. | species | 1 | 0 |
| brazil | goias | cardinium endosymbiont of brevipalpus phoenicis | species | 1 | 0 |
| brazil | mato grosso do sul | cardinium endosymbiont of brevipalpus phoenicis | species | 2 | 0 |
| brazil | rio de janeiro | cardinium endosymbiont of brevipalpus phoenicis | species | 2 | 0 |
| brazil | sao paulo | cardinium endosymbiont of brevipalpus phoenicis | species | 36 | 0 |
| brazil | sao paulo | uncultured candidatus cardinium sp. | species | 2 | 0 |
| cameroon | | cardinium endosymbiont of bemisia tabaci | species | 2 | 0 |
| canada | | uncultured candidatus cardinium sp. | species | 1 | 0 |
| chile | | uncultured candidatus cardinium sp. | species | 2 | 0 |
| china | | cardinium endosymbiont of amphitetranychus viennensis | species | 1 | 0 |
| china | | cardinium endosymbiont of petrobia harti | species | 3 | 0 |
| china | | cardinium endosymbiont of tetranychus kanzawai | species | 1 | 0 |
| china | | cardinium endosymbiont of tetranychus phaselus | species | 1 | 0 |
| china | | cardinium endosymbiont of tetranychus piercei | species | 1 | 0 |
| china | | cardinium endosymbiont of tetranychus truncatus | species | 1 | 0 |
| china | | cardinium endosymbiont of tetranychus urticae | species | 1 | 0 |
| china | | uncultured candidatus cardinium sp. | species | 2 | 0 |
| china | anhui | cardinium endosymbiont of tetranychus cinnabarinus | species | 1 | 0 |
| china | beijing | cardinium endosymbiont of bemisia tabaci | species | 61 | 0 |
| china | fujian | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| china | fujian | cardinium endosymbiont of tetranychus phaselus | species | 1 | 0 |
| china | gansu | cardinium endosymbiont of tetranychus cinnabarinus | species | 1 | 0 |
| china | guangdong | cardinium endosymbiont of bemisia tabaci | species | 5 | 0 |
| china | hainan | cardinium endosymbiont of aleurodicus dispersus | species | 1 | 0 |
| china | heilongjiang | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| china | heilongjiang | cardinium endosymbiont of tetranychus truncatus | species | 1 | 0 |
| china | henan | cardinium endosymbiont of tetranychus cinnabarinus | species | 11 | 0 |
| china | hunan | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| china | jiangsu | cardinium endosymbiont of amphitetranychus viennensis | species | 1 | 0 |
| china | jiangsu | cardinium endosymbiont of petrobia harti | species | 1 | 0 |
| china | jiangsu | cardinium endosymbiont of tetranychus cinnabarinus | species | 2 | 0 |
| china | shaanxi | cardinium endosymbiont of tetranychus cinnabarinus | species | 1 | 0 |
| china | shandong | cardinium endosymbiont of bemisia tabaci | species | 3 | 0 |
| china | shandong | cardinium endosymbiont of tetranychus kanzawai | species | 1 | 0 |
| china | shanxi | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| china | shanxi | cardinium endosymbiont of tetranychus cinnabarinus | species | 1 | 0 |
| china | sichuan | cardinium endosymbiont of bemisia tabaci | species | 2 | 0 |
| china | sichuan | cardinium endosymbiont of petrobia harti | species | 1 | 0 |
| china | yunnan | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| china | yunnan | cardinium endosymbiont of tetranychus urticae red form | species | 1 | 0 |
| china | zhejiang | cardinium endosymbiont of bemisia tabaci | species | 2 | 0 |
| croatia | | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| croatia | | cardinium endosymbiont of siphoninus phillyreae | species | 3 | 0 |
| cyprus | | cardinium endosymbiont of pezothrips kellyanus | species | 2 | 0 |
| cyprus | paphos district | cardinium endosymbiont of pezothrips kellyanus | species | 1 | 0 |
| france | | candidatus cardinium hertigii | species | 3 | 0 |
| france | | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| france | | cardinium endosymbiont of bryobia rubrioculus | species | 2 | 0 |
| france | | cardinium endosymbiont of bryobia sarothamni | species | 6 | 0 |
| france | | cardinium endosymbiont of tetranychus urticae | species | 2 | 0 |
| france | bretagne region | candidatus cardinium | genus | 0 | 1 |
| france | bretagne region | candidatus cardinium hertigii | species | 0 | 1 |
| ghana | | cardinium symbiont of neoseiulus paspalivorus | species | 1 | 0 |
| india | | candidatus cardinium hertigii | species | 21 | 0 |
| india | | cardinium endosymbiont of bemisia tabaci | species | 7 | 0 |
| india | karnataka | uncultured candidatus cardinium sp. | species | 6 | 0 |
| india | madhya pradesh | cardinium sp. jabalpur2014 | species | 1 | 0 |
| india | rio grande do norte | uncultured candidatus cardinium sp. | species | 1 | 0 |
| india | tamil nadu | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| india | uttar pradesh | cardinium endosymbiont of bemisia tabaci | species | 25 | 0 |
| indonesia | central java province | cardinium endosymbiont of bemisia tabaci | species | 64 | 0 |
| indonesia | east java province | cardinium endosymbiont of bemisia tabaci | species | 44 | 0 |
| indonesia | west java province | cardinium endosymbiont of bemisia tabaci | species | 5 | 0 |
| iran | | cardinium endosymbiont of encarsia inaron | species | 8 | 0 |
| iran | | uncultured candidatus cardinium sp. | species | 3 | 0 |
| israel | | uncultured candidatus cardinium sp. | species | 5 | 0 |
| italy | | cardinium endosymbiont of encarsia inaron | species | 1 | 0 |
| italy | | uncultured candidatus cardinium sp. | species | 2 | 0 |
| italy | campania region | candidatus cardinium hertigii | species | 22 | 0 |
| italy | piemonte region | candidatus cardinium | genus | 0 | 1 |
| italy | piemonte region | candidatus cardinium hertigii | species | 0 | 1 |
| italy | piemonte region | cardinium endosymbiont of scaphoideus titanus | species | 1 | 0 |
| japan | | cardinium endosymbiont of amphitetranychus quercivorus | species | 1 | 0 |
| japan | | cardinium endosymbiont of culicoides arakawae | species | 2 | 0 |
| japan | | cardinium endosymbiont of culicoides lungchiensis | species | 1 | 0 |
| japan | | cardinium endosymbiont of culicoides ohmorii | species | 2 | 0 |
| japan | | cardinium endosymbiont of culicoides peregrinus | species | 1 | 0 |
| japan | | cardinium endosymbiont of eotetranychus suginamensis | species | 1 | 0 |
| japan | | cardinium endosymbiont of euides speciosa | species | 2 | 0 |
| japan | | cardinium endosymbiont of harmalia sirokata | species | 1 | 0 |
| japan | | cardinium endosymbiont of indozuriel dantur | species | 1 | 0 |
| japan | | cardinium endosymbiont of ixodes scapularis | species | 1 | 0 |
| japan | | cardinium endosymbiont of oligonychus ilicis | species | 1 | 0 |
| japan | | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| japan | | cardinium endosymbiont of tetranychus pueraricola | species | 1 | 0 |
| japan | | cardinium endosymbiont of tetranychus urticae red form a | species | 1 | 0 |
| japan | | cardinium endosymbiont of tetranychus urticae red form b | species | 1 | 0 |
| japan | | cardinium endosymbiont of tetranychus urticae red form c | species | 1 | 0 |
| japan | hiroshima prefecture | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| japan | hokkaido prefecture | uncultured candidatus cardinium sp. | species | 73 | 0 |
| japan | miyagi ken prefecture | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| japan | okayama prefecture | cardinium endosymbiont of bemisia tabaci | species | 7 | 0 |
| japan | saga prefecture | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| japan | shizuoka prefecture | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| kenya | | candidatus cardinium hertigii | species | 2 | 0 |
| madagascar | | candidatus cardinium hertigii | species | 1 | 0 |
| mexico | | cardinium endosymbiont of bemisia tabaci | species | 2 | 0 |
| mexico | yucatan | uncultured candidatus cardinium sp. | species | 1 | 0 |
| morocco | | cardinium endosymbiont of bemisia tabaci | species | 2 | 0 |
| nepal | western development region | cardinium endosymbiont of bemisia tabaci | species | 80 | 0 |
| netherlands | | cardinium endosymbiont of bryobia rubrioculus | species | 2 | 0 |
| new zealand | bay of plenty | cardinium endosymbiont of pezothrips kellyanus | species | 31 | 0 |
| nigeria | abia | candidatus cardinium hertigii | species | 13 | 0 |
| nigeria | lagos | candidatus cardinium hertigii | species | 1 | 0 |
| nigeria | oyo | candidatus cardinium hertigii | species | 1 | 0 |
| pakistan | | cardinium endosymbiont of bemisia tabaci | species | 79 | 0 |
| pakistan | | uncultured candidatus cardinium sp. | species | 1 | 0 |
| pakistan | punjab province | candidatus cardinium sp. | species | 1 | 0 |
| papua new guinea | | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| philippines | | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| poland | | candidatus cardinium sp. | species | 3 | 0 |
| poland | | cardinium endosymbiont of bryobia rubrioculus | species | 2 | 0 |
| reunion | | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| russia | volgograd oblast | uncultured candidatus cardinium sp. | species | 3 | 0 |
| south africa | | candidatus cardinium hertigii | species | 1 | 0 |
| south africa | | uncultured candidatus cardinium sp. | species | 1 | 0 |
| south korea | | cardinium endosymbiont of bemisia tabaci | species | 8 | 0 |
| spain | | candidatus cardinium hertigii | species | 8 | 0 |
| sudan | | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| switzerland | | cardinium endosymbiont of dermanyssus gallinae | species | 1 | 0 |
| switzerland | | cardinium endosymbiont of panonychus ulmi | species | 2 | 0 |
| switzerland | | cardinium endosymbiont of tetranychus urticae | species | 2 | 0 |
| taiwan | | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |
| turkey | antalya province | cardinium endosymbiont of pezothrips kellyanus | species | 2 | 0 |
| turkmenistan | | uncultured candidatus cardinium sp. | species | 1 | 0 |
| uganda | | candidatus cardinium hertigii | species | 1 | 0 |
| united kingdom | | candidatus cardinium hertigii | species | 1 | 0 |
| united kingdom | england | uncultured candidatus cardinium sp. | species | 52 | 0 |
| united states | | candidatus cardinium hertigii | species | 2 | 0 |
| united states | arizona | cardinium endosymbiont of encarsia inaron | species | 2 | 0 |
| united states | california | candidatus cardinium hertigii | species | 2 | 0 |
| united states | california | cardinium endosymbiont of cybaeota nana | species | 1 | 0 |
| united states | oregon | candidatus cardinium hertigii | species | 28 | 0 |
| united states | texas | cardinium endosymbiont of encarsia pergandiella | species | 1 | 0 |
| uruguay | | cardinium endosymbiont of bemisia tabaci | species | 1 | 0 |
| vietnam | hai phong city | cardinium endosymbiont of sogatella furcifera | species | 1 | 0 |