Ecoimmunity in Darwin's finches: invasive parasites trigger acquired immunity in the medium ground finch (Geospiza fortis). [PDF]
BACKGROUND: Invasive parasites are a major threat to island populations of animals. Darwin's finches of the Galápagos Islands are under attack by introduced pox virus (Poxvirus avium) and nest flies (Philornis downsi).
Sarah K Huber +6 more
doaj +4 more sources
Invasive parasites, habitat change and heavy rainfall reduce breeding success in Darwin's finches. [PDF]
Invasive alien parasites and pathogens are a growing threat to biodiversity worldwide, which can contribute to the extinction of endemic species. On the Galápagos Islands, the invasive parasitic fly Philornis downsi poses a major threat to the endemic ...
Arno Cimadom +9 more
doaj +6 more sources
Population dynamics of an invasive bird parasite, Philornis downsi (Diptera: Muscidae), in the Galapagos Islands. [PDF]
The invasive parasitic fly, Philornis downsi (Muscidae), is one of the greatest threats to the avifauna of the Galapagos Islands. The larvae of this fly feed on the blood and tissues of developing nestlings of at least 18 endemic and native birds.
Charlotte E Causton +7 more
doaj +2 more sources
Observación del parasitismo por moscas (Philornis bellus) en tres especies de colibríes del Occidente de México [PDF]
Tanto factores bióticos como abióticos se han resaltado como negativos para el éxito de la anidación en las aves, destacando entre ellos la depredación, fenómenos naturales y enfermedades emergentes.
Laura Edith Nuñez-Rosas +3 more
doaj +3 more sources
Philornis torquans Nielsen 1913 [PDF]
Philornis torquans (Nielsen, 1913) (Figs. 7, 44) Material examined. ARGENTINA: BUENOS AIRES: 1 male, Campana, Río Luján, 27-XII-2008, Di Iorio & Turienzo leg. (MACN); 2 females, 1 male, Campo de Mayo, 12-XII-2009, Di Iorio & Turienzo leg. (MACN); 2 males, Campo de Mayo, 16-I-2010, Di Iorio & Turienzo leg.
Patitucci, Luciano Damián +3 more
openaire +3 more sources
Parental food provisioning and nestling growth under Philornis downsi parasitism in the Galapagos Green Warbler-Finch, classified as 'vulnerable' by the IUCN. [PDF]
In the Galapagos Islands, many endemic landbird populations are declining due to habitat degradation, food availability, introduced species and other factors.
Pike CL +4 more
europepmc +3 more sources
Parental care in the Small Tree Finch Camarhynchus parvulus in relation to parasitism and environmental factors. [PDF]
The parental food compensation hypothesis suggests that parents may compensate for the negative effects of parasites on chicks by increased food provisioning. However, this ability differs widely among host species and may also depend on ecological factors such as adverse weather conditions and habitat quality.
Heyer E, Cimadom A, Wappl C, Tebbich S.
europepmc +2 more sources
Evidence for rapid downward fecundity selection in an ectoparasite (Philornis downsi) with earlier host mortality in Darwin's finches. [PDF]
Frontal view of a female Philornis downsi, a myasis‐causing paraiste of Darwin's finches, whose body size, abdomen size, and fecundity have decreased c. 30% across 12 years as nestling hosts die at an ever younger age. Photo by Bradley Sinclair. Abstract Fecundity selection is a critical component of fitness and a major driver of adaptive evolution ...
Common LK +4 more
europepmc +2 more sources
Under adverse conditions, older small tree finch males (Camarhynchus parvulus) produce more offspring than younger males. [PDF]
In many bird species, females paired with older males have a higher breeding success. Small tree finches are heavily affected by an invasive nest parasite. Nests of older males had more fledglings than those of younger males. However, the difference in breeding success disappeared when parasites were experimentally reduced with the insecticide ...
Wappl C +4 more
europepmc +2 more sources
First record of Philornis glaucinis Dodge & Aitken, 1968 (Diptera: Muscidae) in Thalurania glaucopis Gmelin, 1788 (Aves: Trochilidae) [PDF]
From the groups causing myiasis, the genus Philornis Meinert, 1890 appears as the only representative of the family Muscidae, obligatorily associated with birds.
Hermes Ribeiro Luz +4 more
doaj +2 more sources

