Systematic Parasitology

, Volume 2, Issue 1, pp 77–102 | Cite as

Filarioid nematodes (Filarioidea: Onchocercidae) of Corvus brachyrhynchos brachyrhynchos Brehm in southern Ontario, Canada and a consideration of the epizootiology of avian filariasis

  • Cheryl M. Bartlett
  • Roy C. Anderson


Chandlerella chitwoodae Anderson, 1961 (prevalence 65%), Splendidofilaria caperata Hibler, 1964 (21%), Eufilaria longicaudata Hibler, 1964 (15.5%), C. quiscali (von Linstow, 1904) Robinson, 1971 (1.9%), Cardiofilaria pavlovskyi Strom, 1937 (0.4%) and Splendidofilaria wehri (0.3%) were found in crows (Corvus brachyrhynchos brachyrhynchos Brehm) wintering in southern Ontario, Canada. S. caperata, E. longicaudata, Cardiofilaria pavlovskyi and S. wehri are reported for the first time from this host.

Infection with Chandlerella chitwoodae and E. longicaudata produced microfilaraemias and these two common species apparently are maintained in the crow population. Infection with S. caperata was amicrofilaraemic (occult) and this common species cannot, therefore, be maintained in the crow population. C. quiscali, Cardiofilaria pavlovskyi and S. wehri occurred infrequently and must be common parasites of other woodland bird species. The presence of both common and sporadic infections in crows suggests that some avian filarioids parasitize numerous birds sharing a particular habitat. However, some host species are probably more important than others in maintaining infections within an avian community.

The hosts of each species in Chandlerella, Splendidofilaria, Cardiofilaria and Eufilaria are listed. Chandlerella flexivaginalis (Jones, 1961) Sultana, 1962 and C. hispanica López-Caballero, 1974 are placed in synonymy with C. chitwoodae. Splendidofilarioides Freitas & Ibáñez, 1968 is made a synonym of Splendidofilaria and the type species becomes Splendidofilaria pachacuteci (Freitas & Ibáñez, 1968) n. comb. S. passerina Koch & Huizinga, 1971 is synonymized with S. algonquinensis (Anderson, 1955) Anderson, 1961. Pseudaproctella andersoni var. major Chabaud, Brygoo & Richard, 1964 and Cardiofilaria chabaudi Dissanaike & Fernando, 1965 are placed in synonymy with C. major Dissanaike & Fernando, 1965. Eufilaria cypseli (Annett, Dutton & Elliot, 1901) Nelson, 1966 is transferred to Lemdana as L. cypseli (Annett, Dutton & Elliot, 1901) n. comb. E. buckleyi (Desmukh, 1968) n. comb. is designated for Neofilaria buckleyi Desmukh, 1968 (= Eufilaria utae Anderson & Bain, 1976). ac]19800116


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Copyright information

© Dr. W. Junk b.v. Publishers 1980

Authors and Affiliations

  • Cheryl M. Bartlett
    • 1
  • Roy C. Anderson
    • 1
  1. 1.Department of Zoology, College of Biological SciencesUniversity of GuelphGuelphCanada

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