Alien Invasion: Biology of Philornis Flies Highlighting Philornis downsi, an Introduced Parasite of Galápagos Birds

SM McNew, DH Clayton - Annual Review of Entomology, 2018 - annualreviews.org
The muscid genus Philornis comprises approximately 50 described species of flies, nearly
all of which are obligate parasites of nestling birds. Philornis species are native to the
Neotropics and widely distributed from Florida to Argentina. Most research on this group has
focused on P. downsi, which was introduced to the Galápagos Islands in the late twentieth
century. Although Philornis parasitism kills nestlings in several native host species, nowhere
do the effects seem more severe than in P. downsi in the Galápagos. Here, we review …
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