| albania | | dirofilaria repens | species | 2 | 0 |
| albania | durres county | dirofilaria repens | species | 0 | 1 |
| albania | elbasan county | dirofilaria repens | species | 0 | 1 |
| albania | tirana county | dirofilaria repens | species | 0 | 1 |
| albania | vlore county | dirofilaria repens | species | 0 | 1 |
| algeria | | dirofilaria repens | species | 4 | 0 |
| austria | | dirofilaria repens | species | 9 | 0 |
| austria | lower austria | dirofilaria repens | species | 1 | 0 |
| austria | vienna | dirofilaria repens | species | 0 | 1 |
| belarus | | dirofilaria repens | species | 5 | 0 |
| cape verde | | dirofilaria repens | species | 9 | 0 |
| chile | | dirofilaria repens | species | 1 | 0 |
| china | | dirofilaria repens | species | 1 | 0 |
| croatia | | dirofilaria repens | species | 2 | 0 |
| czech republic | | dirofilaria repens | species | 11 | 0 |
| czech republic | south moravian region | dirofilaria repens | species | 9 | 2 |
| egypt | | dirofilaria repens | species | 2 | 0 |
| egypt | asyut governorate | dirofilaria repens | species | 0 | 3 |
| estonia | | dirofilaria repens | species | 6 | 0 |
| finland | | dirofilaria repens | species | 2 | 0 |
| finland | kymenlaakso region | dirofilaria repens | species | 4 | 0 |
| finland | uusimaa region | dirofilaria repens | species | 2 | 0 |
| france | | dirofilaria repens | species | 15 | 0 |
| france | alsace region | dirofilaria repens | species | 0 | 2 |
| france | aquitaine region | dirofilaria repens | species | 0 | 2 |
| france | bourgogne region | dirofilaria repens | species | 0 | 1 |
| france | centre region | dirofilaria repens | species | 0 | 1 |
| france | corse region | dirofilaria repens | species | 104 | 9 |
| france | languedoc-roussillon region | dirofilaria repens | species | 0 | 2 |
| france | limousin region | dirofilaria repens | species | 0 | 1 |
| france | midi-pyrenees region | dirofilaria repens | species | 0 | 1 |
| france | picardie region | dirofilaria repens | species | 0 | 1 |
| france | poitou-charentes region | dirofilaria repens | species | 0 | 1 |
| france | provence-alpes-cote d'azur region | dirofilaria repens | species | 310 | 2 |
| france | rhone-alpes region | dirofilaria repens | species | 0 | 1 |
| germany | | dirofilaria repens | species | 2 | 0 |
| germany | brandenburg | dirofilaria repens | species | 0 | 5 |
| germany | saxony | dirofilaria repens | species | 0 | 1 |
| germany | saxony-anhalt | dirofilaria repens | species | 0 | 1 |
| greece | attica region | dirofilaria repens | species | 0 | 2 |
| greece | central macedonia region | dirofilaria repens | species | 0 | 1 |
| hong kong | | dirofilaria repens | species | 0 | 2 |
| hungary | | dirofilaria repens | species | 15 | 0 |
| india | | dirofilaria repens | species | 23 | 0 |
| india | assam | dirofilaria repens | species | 0 | 2 |
| india | gujarat | dirofilaria repens | species | 0 | 1 |
| india | karnataka | dirofilaria repens | species | 0 | 2 |
| india | kerala | dirofilaria repens | species | 5 | 5 |
| india | maharashtra | dirofilaria repens | species | 0 | 1 |
| india | mizoram | dirofilaria repens | species | 0 | 1 |
| india | tamil nadu | dirofilaria repens | species | 0 | 1 |
| indonesia | south kalimantan province | dirofilaria repens | species | 0 | 2 |
| iran | east azerbaijan province | dirofilaria repens | species | 1 | 0 |
| israel | | dirofilaria repens | species | 11 | 0 |
| israel | central district | dirofilaria repens | species | 0 | 1 |
| israel | northern district | dirofilaria repens | species | 0 | 1 |
| italy | | dirofilaria repens | species | 31 | 0 |
| italy | abruzzo region | dirofilaria repens | species | 0 | 1 |
| italy | aosta valley autonomous region | dirofilaria repens | species | 0 | 2 |
| italy | apulia region | dirofilaria repens | species | 2 | 4 |
| italy | calabria region | dirofilaria repens | species | 0 | 1 |
| italy | campania region | dirofilaria repens | species | 0 | 1 |
| italy | emilia-romagna region | dirofilaria repens | species | 0 | 6 |
| italy | friuli-venezia giulia autonomous region | dirofilaria repens | species | 0 | 1 |
| italy | lazio region | dirofilaria repens | species | 2 | 3 |
| italy | liguria region | dirofilaria repens | species | 0 | 2 |
| italy | lombardy region | dirofilaria repens | species | 10 | 3 |
| italy | marche region | dirofilaria repens | species | 0 | 1 |
| italy | molise region | dirofilaria repens | species | 0 | 1 |
| italy | piemonte region | dirofilaria repens | species | 0 | 4 |
| italy | sardinia autonomous region | dirofilaria repens | species | 0 | 4 |
| italy | sicily autonomous region | dirofilaria repens | species | 0 | 4 |
| italy | tuscany region | dirofilaria repens | species | 0 | 6 |
| italy | veneto region | dirofilaria repens | species | 0 | 2 |
| ivory coast | | dirofilaria repens | species | 3 | 0 |
| japan | okinawa prefecture | dirofilaria repens | species | 0 | 1 |
| japan | tokyo prefecture | dirofilaria repens | species | 7 | 0 |
| kazakhstan | astana region | dirofilaria repens | species | 1 | 0 |
| kosovo | ferizaj municipality | dirofilaria repens | species | 0 | 1 |
| kosovo | malisheva municipality | dirofilaria repens | species | 0 | 1 |
| kosovo | prishtina municipality | dirofilaria repens | species | 0 | 1 |
| kuwait | | dirofilaria repens | species | 0 | 3 |
| kyrgyzstan | | dirofilaria repens | species | 1 | 0 |
| latvia | | dirofilaria repens | species | 18 | 0 |
| lithuania | | dirofilaria repens | species | 70 | 0 |
| malaysia | melaka | dirofilaria repens | species | 0 | 1 |
| malaysia | sarawak | dirofilaria repens | species | 0 | 1 |
| maldives | | dirofilaria repens | species | 0 | 3 |
| moldova | | dirofilaria repens | species | 2 | 0 |
| namibia | khomas region | dirofilaria repens | species | 0 | 1 |
| norway | more og romsdal county | dirofilaria repens | species | 0 | 2 |
| poland | | dirofilaria repens | species | 142 | 0 |
| poland | mazovia province | dirofilaria repens | species | 26 | 1 |
| portugal | | dirofilaria repens | species | 2 | 0 |
| romania | | dirofilaria repens | species | 41 | 0 |
| romania | bucharest county | dirofilaria repens | species | 0 | 1 |
| romania | tulcea county | dirofilaria repens | species | 23 | 0 |
| russia | | dirofilaria repens | species | 40 | 0 |
| russia | altai krai | dirofilaria repens | species | 0 | 1 |
| russia | altai republic | dirofilaria repens | species | 0 | 1 |
| russia | kalmykia republic | dirofilaria repens | species | 0 | 1 |
| russia | moscow city | dirofilaria repens | species | 0 | 1 |
| russia | moscow oblast | dirofilaria repens | species | 0 | 1 |
| russia | nizhny novgorod oblast | dirofilaria repens | species | 0 | 1 |
| russia | novgorod oblast | dirofilaria repens | species | 0 | 1 |
| russia | rostov oblast | dirofilaria repens | species | 0 | 3 |
| russia | tula oblast | dirofilaria repens | species | 0 | 2 |
| russia | voronezh oblast | dirofilaria repens | species | 1 | 0 |
| serbia | | dirofilaria repens | species | 2 | 0 |
| serbia | autonomous province of vojvodina | dirofilaria repens | species | 0 | 2 |
| slovakia | | dirofilaria repens | species | 4 | 0 |
| slovakia | kosice region | dirofilaria repens | species | 0 | 1 |
| slovakia | nitra region | dirofilaria repens | species | 0 | 2 |
| slovakia | presov region | dirofilaria repens | species | 0 | 1 |
| slovakia | trencin region | dirofilaria repens | species | 0 | 1 |
| slovakia | trnava region | dirofilaria repens | species | 0 | 2 |
| slovakia | zilina region | dirofilaria repens | species | 0 | 1 |
| spain | | dirofilaria repens | species | 1 | 0 |
| spain | balearic islands | dirofilaria repens | species | 0 | 1 |
| spain | canary islands | dirofilaria repens | species | 0 | 1 |
| spain | castilla-la mancha | dirofilaria repens | species | 0 | 1 |
| spain | catalonia | dirofilaria repens | species | 0 | 1 |
| spain | extremadura | dirofilaria repens | species | 0 | 1 |
| spain | murcia | dirofilaria repens | species | 0 | 1 |
| spain | valencia | dirofilaria repens | species | 0 | 1 |
| sri lanka | | dirofilaria repens | species | 4 | 0 |
| switzerland | ticino region | dirofilaria repens | species | 0 | 1 |
| thailand | phangnga province | dirofilaria repens | species | 0 | 1 |
| thailand | rayong province | dirofilaria repens | species | 9 | 0 |
| tunisia | | dirofilaria repens | species | 3 | 0 |
| tunisia | sfax governorate | dirofilaria repens | species | 0 | 1 |
| tunisia | tunis governorate | dirofilaria repens | species | 0 | 1 |
| turkey | | dirofilaria repens | species | 4 | 0 |
| turkey | erzurum province | dirofilaria repens | species | 0 | 1 |
| ukraine | | dirofilaria repens | species | 24 | 0 |
| ukraine | autonomous republic of crimea | dirofilaria repens | species | 0 | 1 |
| ukraine | chernihiv oblast | dirofilaria repens | species | 0 | 1 |
| ukraine | dnipropetrovsk oblast | dirofilaria repens | species | 0 | 1 |
| ukraine | donetsk oblast | dirofilaria repens | species | 0 | 1 |
| ukraine | kherson oblast | dirofilaria repens | species | 0 | 1 |
| ukraine | kiev city | dirofilaria repens | species | 0 | 2 |
| ukraine | kiev oblast | dirofilaria repens | species | 0 | 2 |
| united arab emirates | dubai | dirofilaria repens | species | 0 | 2 |
| united states | arkansas | dirofilaria repens | species | 0 | 1 |
| uzbekistan | | dirofilaria repens | species | 1 | 0 |
| vietnam | | dirofilaria repens | species | 1 | 0 |
| vietnam | ha noi city | dirofilaria repens | species | 2 | 0 |