TABLE 1 in A new species of Hedruris Nitzsch, 1821 (Nematoda: Hedruridae) parasitic in eel Synbranchus marmoratus Bloch (Synbranchiformes: Synbranchidae) from Argentina, Neotropical Region

TABLE 1. List of Hedruris species with data about host, geographical distribution and diagnostic characteristics.
Biogeographic regionHost orderN ° specimensMalesFemalesstudiedSpeciesSpiculePattern ofHook lengthSize and shapeVulva to caudalReferencelengthcaudal papillaeof eggendNeotropicalHedruris bifidaCharaciformes (Fish)Males (n=5)207–2270:0:9 (18)137–212Non-mammilated537–845Rossin & Timi (2016)Female (n=10)42–46 x 14–15Hedruris dratiniTestudines (Reptiles)Males (n=20)169–2330:0:9 (18)190–228Mammilated465–1127Palumbo et al. (2020)Females (n=20)27–41 x 13–24(personal communica-tion)Hedruris basilichtensisAtheriniformes,Males175–1930:0:9 (18)150–187Non-mammilatedNo statedBendezú (1974);Cyprinodontiformes,(n= not stated)40 x 15Baker (1982);Salmoniformes (Fish)FemalesSarmiento et al.(n=not stated)(1999)Hedruris heyeriAnura (Amphibian)Males (n=1)2322:1:6 (18)160–177Non-mammilated383–485Goldberg & BurseyFemales (n=8)53–59 x 18–21(2010)Hedruris juninensisAnura (Amphibian)Males380–4300:0:8 (16)235–287Non-mammilated340–475Bendezú (1974)(n= not stated)49–53 x 16–20Females(n=not stated)Hedruris monieziAnura (Amphibian)Males279–3260:0:9 (18)250–292No statedNo statedIbañez & Cordova(n=not stated)(1976)FemalesSarmiento et al.(n=not stated)(1999)Hedruris mucroniferAnura (Amphibian)Males (n=1)200–2500:0:8 (16)240–280No stated the860–1000Schuurmans Stekhov-Females (n=5)shape of eggen (1952); Ramallo et43–50 x 12–13al. (2018)Hedruris orestiaeCyprinodontiformesMales178–1940:0:9 (18)176–186Non-mammilated650–871Ibañez & Cordova(Fish)(n=not stated)31–42 x 15–18(1976)Testudines (Reptiles)FemalesMoniez (1889)(n=not stated)studiedSpeciesSpiculePattern ofHook lengthSize and shapeVulva to caudalReferencelengthcaudal papillaeof eggendAustralianHedruris longispiculaSquamata (Reptiles)Males3001:1:9 (22)No statedNon-mammilated750Thomas (1959)(n=not stated)55 x 25Females(n=not stated)Hedruris minutaSquamata (Reptiles)Males (n=3)160–1681:0:10 (22)190Non-mammilated456–690Andrews (1974)Females (n=5)50 x 17Hedruris spinigeraMugiliformes, An-Males210–2301:1:8 (20)160–190Non-mammilated1000–1500Baylis (1931)guilliformes, Galaxi-(n=not stated)35–42 x 15–17iformes, Gobiiformes,FemalesSalmoniformes,(n=not stated)Osmeriformes, Pleu-ronectiformes (Fish)Hedruris hanleyaeSquamata (Reptiles)Males (n=9)190–2301:0:8 (18)257–285Non-mammilated770–1080Bursey & GoldbergFemales (n=11)46–51 x 23–26(2000)Hedruris saltuariiSquamata (Reptiles)Males (n=2)340–3603:0:7 (20)140Non-mammilated960Jones (2013)Females (n=4)72 x 30Hedruris wogwogensisSquamata (Reptiles)Males (n=4)140–1801:1:7 (18)No statedNon-mammilatedNo statedJones & ResascoFemales (n=8)56–70 x 28–30(2016)NearticHedruris pendulaEsociformes (Fish),Males (n=2)196–2101:0:9 (20)190Non-mammilated1470–1690Baker (1986)Testudines (Reptiles),Females (n=38)47–48 x 23–24Anura,Urodela (Amphibian)Hedruris siredonisUrodela, AnuraMales (n=7)158–2271:1:8 (20)150Mammilated380–745*Baker (1986)(Amphibian)Females (n=9)57–62 x 36–38PalearticstudiedSpeciesSpiculePattern ofHook lengthSize and shapeVulva to caudalReferencelengthcaudal papillaeof eggendHedruris androphoraUrodela (Amphibian)Males (n=1)1701:0:8 (18)150Mammilated800Petter (1971)Females (n=6)55 x 28Hedruris lutjanensesPerciformes (Fish)Males (n=8)195–2401:0:9 (20)60–80No stated the390–410Ramadan et al. (2014)Females (n=8)shape of eggHedruris pendulaTestudines (Reptiles)MalesNot statedNot statedNot stated75–90 x Non-mammilated30–33Not statedPerrier (1871);(n=not stated)Linstow (1909)Females(n=not stated)
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*Measurements taken from vulva to anus