Olfersia
Encyclopedia
Olfersia are genus
Genus
In biology, a genus is a low-level taxonomic rank used in the biological classification of living and fossil organisms, which is an example of definition by genus and differentia...

 of biting flies
Fly
True flies are insects of the order Diptera . They possess a pair of wings on the mesothorax and a pair of halteres, derived from the hind wings, on the metathorax...

 in the family of louse flies, Hippoboscidae
Hippoboscidae
Hippoboscidae, the louse flies or keds are obligate parasites of mammals and birds. In this family there are winged species which can fly at least reasonably well, as well as others with vestigial or no wings which are flightless and highly apomorphic...

. There are 7 known species.. All species are Parasites
Parasitism
Parasitism is a type of symbiotic relationship between organisms of different species where one organism, the parasite, benefits at the expense of the other, the host. Traditionally parasite referred to organisms with lifestages that needed more than one host . These are now called macroparasites...

 of bird
Bird
Birds are feathered, winged, bipedal, endothermic , egg-laying, vertebrate animals. Around 10,000 living species and 188 families makes them the most speciose class of tetrapod vertebrates. They inhabit ecosystems across the globe, from the Arctic to the Antarctic. Extant birds range in size from...

s..

Distribution

Olfersia are found worldwide with the exception of Australia
Australia
Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

, but are most abundant in North and Central America.

Systematics

  • Genus Olfersia Leach
    William Elford Leach
    William Elford Leach FRS was an English zoologist and marine biologist.Leach was born at Hoe Gate, Plymouth, the son of a solicitor. At the age of twelve he went to school in Exeter, studying anatomy and chemistry. By this time he was already collecting marine samples from Plymouth Sound and along...

    , 1817
  • Species group 'a'
  • O. sordida Bigot
    Jacques-Marie-Frangile Bigot
    Jacques Marie Frangile Bigot was a French naturalist and entomologist most noted for his studies of Diptera. Born in Paris, where he lived all his life, though he had a small house in Quincy-sous-Sénart, Essonne.He became a member of the Entomological Society of France in 1844. His first paper...

    , 1885
    • Species group 'b'
  • O. bisulcata Macquart
    Justin Pierre Marie Macquart
    Justin Pierre Marie Macquart was a French entomologist specialising in the study of Diptera. He worked on world species as well as European and described many new species.-Early years:...

    , 1847
  • O. fossulata Macquart
    Justin Pierre Marie Macquart
    Justin Pierre Marie Macquart was a French entomologist specialising in the study of Diptera. He worked on world species as well as European and described many new species.-Early years:...

    , 1843
  • O. fumipennis (J. Sahlberg, 1886)
    • Species group 'c'
  • O. aenescens C. G. Thompson, 1869
  • O. spinifera (Leach
    William Elford Leach
    William Elford Leach FRS was an English zoologist and marine biologist.Leach was born at Hoe Gate, Plymouth, the son of a solicitor. At the age of twelve he went to school in Exeter, studying anatomy and chemistry. By this time he was already collecting marine samples from Plymouth Sound and along...

    , 1817)
    • Species group 'd'
  • O. coriacea van der Wulp, 1903
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