Effects of the parasitic flies of the genus <i>Philornis</i> (Diptera: Muscidae) on birds

Dudaniec, Rachael Y.; Kleindorfer, Sonia

doi:10.1071/mu04040

Cited by 101 publications

(120 citation statements)

References 23 publications

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“…Interestingly, all nestlings in two Blue-crowned Parakeet nests (Thectocercus acuticaudatus) in our study area were infested with botflies. Botflies can cause serious damage affecting nestling survival in some Neotropical birds (Dudaniec andKleindorfer 2006, Segura andReboreda 2011) including parrots, such as the Puerto Rican Amazon (Snyder et al 1987), the Lilac-crowned Amazon (Renton 2002), and the Scarlet Macaw (Ara macao; Olah et al 2013). In some Turquoise-fronted Parrot nests we observed green leaves inside the nesting cavity.…”

Section: Discussionmentioning

confidence: 99%

Reproductive parameters of the Turquoise-fronted Parrot (Amazona aestiva) in the dry Chaco forest

Berkunsky¹,

Segura²,

Ruggera³

et al. 2017

ACE

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ABSTRACT. The progressive exploitation and destruction of nesting habitat in recent years, combined with the substantial pressure from legal and illegal removal of wild nestlings and adults, justifies the development of a comprehensive study on the reproductive biology of the Turquoise-fronted Parrot (Amazona aestiva). We analyzed breeding parameters in a wild protected population of Turquoise-fronted Parrots in the Chaco forest, Argentina, examining variation among years, over the course of the breeding season, and in relation to the age of the nest. Mean clutch-size per nesting attempt was 3.68 eggs. Hatching success (proportion of eggs laid that hatch) was 0.73. Fledging success (proportion of nestlings that fledge) was 0.88. The overall breeding success (mean number of fledglings per laying female per year) was 0.95. Clutch size did not vary among years but it decreased with the delay of the nest initiation date. Hatching failure was the greatest cause of egg partial losses, and brood reduction was the main cause of nestling partial loses. Brood reduction was positively correlated with clutch size and with egg-laying date. We did not find interannual variation in any of the clutch or brood size variables. Our results showed that the population of Turquoise-fronted Parrots in the dry Chaco forest has high values of clutch size and nestling survival, and low values of hatching success. However, some aspects of the breeding biology need more attention, especially if the species continues to be harvested.Paramètres de reproduction de l'Amazone à front bleu (Amazona aestiva) dans la forêt sèche du Chaco RÉSUMÉ. L'exploitation et la destruction progressives de l'habitat de nidification advenues ces récentes années, combinées à la pression élevée de captures légale et illégale d'oisillons et d'adultes sauvages, justifient la mise en place d'une étude globale sur la biologie de reproduction de l'Amazone à front bleu (Amazona aestiva). Nous avons analysé les paramètres de reproduction d'une population sauvage protégée de cette amazone dans la forêt du Chaco, en Argentine, examinant les variations interannuelles, tout au long de la saison de reproduction, en relation avec l'âge du nid. La taille moyenne de la ponte par tentative de nidification était de 3,68 oeufs. Le succès d'éclosion (proportion d'oeufs pondus qui ont éclos) était de 0,73. Le succès à l'envol (proportion de jeunes qui ont pris leur envol) était de 0,88. Le succès de nidification d'ensemble (nombre moyen de jeunes à l'envol par femelle nicheuse par année) était de 0,95. La taille de la ponte n'a pas varié d'une année à l'autre, mais était plus faible lorsque la date d'initiation du nid était retardée. L'échec de l'éclosion était la cause la plus importante de perte partielle d'oeufs et une couvée réduite était la cause principale de perte partielle d'oisillons. La couvée réduite était positivement corrélée avec la taille de la ponte et la date de celle-ci. Nous n'avons pas observé de variations interannuelles des variables relatives à la taille de la...

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Section: Discussionmentioning

confidence: 99%

Reproductive parameters of the Turquoise-fronted Parrot (Amazona aestiva) in the dry Chaco forest

Berkunsky¹,

Segura²,

Ruggera³

et al. 2017

ACE

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“…Most parasitic Philornis spp. cause subcutaneous myiasis, with burrowing larvae that feed on nestling blood, tissue and fluids [13]. These parasites harm nestlings, causing mortality and reduced fitness and growth [7], [10], [14].…”

Section: Introductionmentioning

confidence: 99%

Multi-Level Determinants of Parasitic Fly Infection in Forest Passerines

et al. 2013

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The study of myiasis is important because they may cause problems to the livestock industry, public health, or wildlife conservation. The ecology of parasitic dipterans that cause myiasis is singular, as they actively seek their hosts over relatively long distances. However, studies that address the determinants of myiasis dynamics are very scarce. The genus Philornis include species that may be excellent models to study myiasis ecology, as they exclusively parasitize bird nestlings, which stay in their nests until they are fully fledged, and larvae remain at the point of entry until the parasitic stage is over, thus allowing the collection of sequential individual-level infection data from virtually all the hosts present at a particular area. Here we offer a stratified multi-level analysis of longitudinal data of Philornis torquans parasitism in replicated forest bird communities of central Argentina. Using Generalized Linear Models and Generalized Linear Mixed Models and an information theory approach for model selection, we conducted four groups of analyses, each with a different study unit, the individual, the brood, the community at a given week, and the community at a given year. The response variable was larval abundance per nestling or mean abundance per nestling. At each level, models included the variables of interest of that particular level, and also potential confounders and effect modifiers of higher levels. We found associations of large magnitude at all levels, but only few variables truly governed the dynamics of this parasite. At the individual level, the infection was determined by the species and the age of the host. The main driver of parasite abundance at the microhabitat level was the average height of the forest, and at the community level, the density of hosts and prior rainfall. This multi-level approach contributed to a better understanding of the ecology of myiasis.

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“…The genus Philornis includes ,50 species of flies, all ectoparasites of birds (Couri andCarvalho 2003, Dudaniec andKleindorfer 2006). The life cycle of most of these species as well as relationships with their hosts is frequently unknown (Couri 1999, Teixeira 1999.…”

mentioning

confidence: 99%

Botfly Parasitism Effects on Nestling Growth and Mortality of Red-Crested Cardinals

Segura¹,

Reboreda²

2011

The Wilson Journal of Ornithology

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Effects of the parasitic flies of the genus Philornis (Diptera: Muscidae) on birds

Cited by 101 publications

References 23 publications

Reproductive parameters of the Turquoise-fronted Parrot (Amazona aestiva) in the dry Chaco forest

Reproductive parameters of the Turquoise-fronted Parrot (Amazona aestiva) in the dry Chaco forest

Multi-Level Determinants of Parasitic Fly Infection in Forest Passerines

Botfly Parasitism Effects on Nestling Growth and Mortality of Red-Crested Cardinals

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